Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
sach thu » sach thue, sach thieu, sach tham
vai cua » dai cua, hai cua, lai cua
xuc ban » duc ban, cuc ban, quoc ban
luc van » luoc van, luu van, duc van
hieu ve » hieu va, hieu van
sach tu » cach tu, sach ty, sach uu
nang ma » tang ma, sang ma, nang cao
ve cac » va cac, vien cac
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) OR (sach thu)) nang ma hoi. hieu ve cac ((luc van) or (xuc ban)) hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (sach thu)) nang ma hoi. hieu ve cac ((luc van) OR (xuc ban)) hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tu) OR (sach thu)) nang ma hoi. hieu ve cac ((luc van) or (xuc ban)) hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) OR (sach thu)) nang ma hoi. hieu ve cac ((luc van) or (xuc ban)) hanh vai cua tu*.