Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
tai cua » thai cua, tai cuc, tri cua
xuc ban » duc ban, cuc ban, quoc ban
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
sach tu » sach thu, sach ty, sach uu
nang ma » tang ma, sang ma, nang cao
cach tu » cach thuc
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
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 tu) or (cach tu)) nang ma hoi. hieu ve cac ((xuc van) or (xuc ban)) hanh tai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (cach tu)) nang ma hoi. hieu ve cac ((xuc van) OR (xuc ban)) hanh tai cua su.
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (cach tu)) nang ma hoi. hieu ve cac ((xuc van) or (xuc ban)) hanh tai cua su*.