Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
tu sang » thu sang, tu san, tu lang
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
dac va » duc va, day va, dai va
ma hoi » mai hoi, xa hoi, ma hoa
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 sang) or (tu lenh)) ma hoi. hieu ve cac ((dac va) or (dat va)) hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu sang) OR (tu lenh)) ma hoi. hieu ve cac ((dac va) OR (dat va)) hanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu sang) or (tu lenh)) ma hoi. hieu ve cac ((dac va) or (dat va)) hanh vai cua tu*.