Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hanh tai » hang tai, han tai, hinh tai
hoc anh » hoc nganh, hoc nhanh, ngoc anh
cac tuc » cac toc, cac tu, cac tac
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
hang xa » hoang xa, hang ca, lang xa
anh ly » anh y, anh le, anh my
tuc va » thuc va, truc va, tuc xa
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc anh ly ((hang xa) or (hang va)) hoi. hieu ve cac tuc va ((hanh tai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc anh ly ((hang xa) OR (hang va)) hoi. hieu ve cac tuc va ((hanh tai) OR (thanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc anh ly ((hang xa) or (hang va)) hoi. hieu ve cac tuc va ((hanh tai) or (thanh tai)) cua tre*.