Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hanh vai » hanh vi, hanh tai, hanh van
hieu van » hieu va, thien van, lieu va
hanh va » hang va, hanh vi
nam tuc » nam thuc, nam truc, nam tu
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

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