Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
vi cu » vi su, vi du
vi xu » va xu, ve xu, vi 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 y nang xa hoi. hieu van cam xuc ((va hanh) or (ban thanh)) ((vi cu) or (vi xu)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu van cam xuc ((va hanh) OR (ban thanh)) ((vi cu) OR (vi xu)) tren.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van cam xuc ((va hanh) or (ban thanh)) ((vi cu) or (vi xu)) tren*.