Perhaps you should try some spelling variations:
ban hang » ngan hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc 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
ha hoi » hoa hoi, ha noi, xa hoi
vi cuu » vinh cuu
vi luu » vi lua

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)) ha hoi. hieu van cam xuc ban hang ((vi cuu) OR (vi luu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky tang)) ha hoi. hieu van cam xuc ban hang ((vi cuu) OR (vi luu)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) or (ky tang)) ha hoi. hieu van cam xuc ban hang ((vi cuu) OR (vi luu)) tre*".