Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
ban hang » ngan hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
cam cuc » cam xuc, pham cuc
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
vi cua » vai cua, di cua

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 ky tang xa hoi. hieu van ((cam cuc) or (cham cuu)) ((ban hanh) OR (ban hang)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. hieu van ((cam cuc) OR (cham cuu)) ((ban hanh) OR (ban hang)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang xa hoi. hieu van ((cam cuc) or (cham cuu)) ((ban hanh) OR (ban hang)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. hieu van ((cam cuc) or (cham cuu)) ((ban hanh) OR (ban hang)) vi cua tre*.