Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
y xang » ty xang
tuc va » truc va, tuc xa, duc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y xang xa hoi. hieu va phat ((tuc va) or (thuc va)) hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y xang xa hoi. hieu va phat ((tuc va) OR (thuc va)) hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach y xang xa hoi. hieu va phat ((tuc va) or (thuc va)) hanh dai cua tu*.