Perhaps you should try some spelling variations:
ban hang » ngan hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cam cuc » cam xuc, cham cuu, pham cuc
cua tre » cuu tre, cua triet, dua tren
hang vi » hang va, hanh vi, hang di
cuc ban » cua ban, cac ban, cuu ban
van cam » van nam, van lam, van cau
ky tang » ky nang, ky dang, kho tang
ky lang » ky nang, ky dang, tay lang
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: te sach ((ky lang) or (ky tang)) xa hoi. hieu van cam cuc ban hang vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky tang)) xa hoi. hieu van cam cuc ban hang vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (ky tang)) xa hoi. hieu van cam cuc ban hang vi ((cua tre) or (cua te))*.