Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
ban hang » ngan hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
hang vi » hang va, hanh vi, hang di
xuc ban » duc ban, cuc ban, quoc ban
van cam » van nam, van lam, van cau
ty hang » ly hang, ty xang, thi hang
ty lang » tay lang, ty xang, tu lang
cua tre » cua te, cuu tre, cua triet
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) or (vu khach)) ((ty lang) or (ty hang)) xa hoi. hieu van cam xuc ban hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu khach)) ((ty lang) OR (ty hang)) xa hoi. hieu van cam xuc ban hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu khach)) ((ty lang) or (ty hang)) xa hoi. hieu van cam xuc ban hang vi cua tre*.