Do you able your uncle load the cart yesterday?
Correction: "Do you help your uncle load the cart yesterday?"
(Mistake: "Do" should be followed by the base form of the verb "help.")

The Charm in Minh Thuan raises sheep and cows.
Correction: The farmer in Minh Thuan raises sheep and cows.
(Mistake: "Charm" is incorrect; it should be "farmer.")

How can you find wild animals like tigers and monkeys? In the forest.
Correction: How can you find wild animals like tigers and monkeys in the forest?
(Mistake: The second sentence is incomplete without the phrase "in the forest" as a continuation.)

There is modern transportation in remote areas, so much. People have to travel on foot.
Correction: There is not modern transportation in remote areas, so people have to travel on foot.
(Mistake: The phrase "so much" should be reworded to "there is not" to make sense.)

People here often grow some crop like rice and corn.
Correction: People here often grow some crops like rice and corn.
(Mistake: "Crop" should be plural as it refers to various types of crops.)

Many Vietnamese go to temples or pagodas to pray for good luck.
Correction: Correct as is.
(No mistake.)

It's very interesting to find that ancient Egyptians worshipped a sun.
Correction: It's very interesting to find that ancient Egyptians worshipped the sun.
(Mistake: "a sun" should be "the sun" to refer to the specific sun they worshipped.)

Joya-no-kane is the custom of ringing temple bell on New Year’s Eve in Japan.
Correction: Joya-no-kane is the custom of ringing a temple bell on New Year’s Eve in Japan.
(Mistake: "Temple bell" should be "a temple bell" because it refers to one specific bell.)

We have a tradition of holding a family reunion on the first day of Tet.
Correction: Correct as is.
(No mistake.)

In America, you shouldn't ask people how many money they earn because it is considered to be rude.
Correction: In America, you shouldn't ask people how much money they earn because it is considered to be rude.
(Mistake: "How many" should be "how much" when referring to uncountable nouns like "money.")