Here are the appropriate words filled in the gaps based on the provided options:

1. artisans
2. foot
3. skillful
4. handicraft
5. where
6. souvenirs
7. completely
8. long-standing

Your completed text would read:

I've just been back from my vacation in Hanoi, Vietnam. In this trip, I had a chance to visit some (1) artisans that produce the finest craft works exported over the world. The very first place I (2) foot on was Van Phuc silk village, the cradle of best silk in Vietnam once. I totally fall in love with many colourful clothes, hats, bags, tie... made of authentic silk. Then, I moved on to Bat Trang ceramic village, the most famous and (3) skillful pottery village in Vietnam with a nearly 1,000 years old historic development. Here, I visited a small family factory to see how the (4) handicraft form, paint and glaze with unique products and have a chance to practice my talent with wet clay and a mold. Afternoon, I continued to visit Dong Ho folk painting village, (5) where the traditional woodblock paintings are preserved. I was completely impressed by the folk paintings made by the local (6) artisans with natural materials and colors. Each painting is (7) souvenirs handmade on paper of the Dzo tree and is coloured with other natural materials and its glittery surface is finished with oyster shell dust. I took home a lot of handmade (8) long-standing which were later given to my family and friends.