Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
sach ty » sach tu, sach thu, xach tay
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
ma hoi » mai hoi, xa hoi, ma hoa
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: toc ((sach ty) OR (sach y)) tang ma hoi. hieu ve cac xuc van hanh dai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) OR (sach y)) tang ma hoi. hieu ve cac xuc van hanh dai cua tu".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) OR (sach y)) tang ma hoi. hieu ve cac xuc van hanh dai cua tu*.