Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
sach ty » sach tu, sach thu, xach tay
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, ma hoa, me hoi
cua su » qua su

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 ty) or (sach y)) nang ((ma hoi) or (xa hoi)). hieu ve cam duc van hanh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) nang ((ma hoi) OR (xa hoi)). hieu ve cam duc van hanh vai cua su.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach y)) nang ((ma hoi) or (xa hoi)). hieu ve cam duc van hanh vai cua su*.