Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chua tre » chua tri, cua tre, chua trieu
hoc sach » hoc sinh, hoc cac, hoc anh
ban hang » ngan hang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
van cac » van hac, van cau, van bac
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
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) or (hoc sach)) ky nang ma hoi. hieu van cac xuc ban hang va ((chua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (hoc sach)) ky nang ma hoi. hieu van cac xuc ban hang va ((chua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (hoc sach)) ky nang ma hoi. hieu van cac xuc ban hang va ((chua tre) or (cua te))*.