Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
nang cau » nang cao, hang cau, nang dau
sach hay » sach han, sach ha, sach nay
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, xac va
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: tu ((sach hay) or (sach y)) nang cau hoi. hieu ve cam ((xuc va) or (luc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hay) OR (sach y)) nang cau hoi. hieu ve cam ((xuc va) OR (luc va)) hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hay) or (sach y)) nang cau hoi. hieu ve cam ((xuc va) or (luc va)) hanh vai cua te*.