Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
sach ty » sach tu, sach thu, xach tay
ve cam » ve cham, ve cac, va cam
cua su » qua su
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang ((x hoi) or (o hoi)). hieu ve cam duc va hanh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang ((x hoi) OR (o hoi)). hieu ve cam duc va hanh vai cua su.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang ((x hoi) or (o hoi)). hieu ve cam duc va hanh vai cua su*.