Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
sang mai » sang ma, sang tai, lang mai
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
sach tu » cach tu, sach ty, sach uu
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
ve cac » va cac, vien cac
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 tu) or (sach thu)) sang mai hoi. hieu ve cac xuc van hanh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (sach thu)) sang mai hoi. hieu ve cac xuc van hanh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (sach thu)) sang mai hoi. hieu ve cac xuc van hanh dai cua tu*.