Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, toan doanh
lang van » dang van, tang van, hoang van
hieu van » thien van, lieu va, hieu ve
ban danh » ban hanh, ban dan, van danh
tu sang » thu sang, tu san, tu lang
cam cuu » cham cuu, cap cuu
cua tre » cua te, cuu tre, cua triet
sang ky » sang kyo, dang ky, tang ky
hieu va » lieu va, hieu qua
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky 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: tu sang ky lang van hoi. ((hieu van) or (hieu va)) cam cuu ((ban danh) OR (ban doanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky lang van hoi. ((hieu van) OR (hieu va)) cam cuu ((ban danh) OR (ban doanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sang ky lang van hoi. ((hieu van) or (hieu va)) cam cuu ((ban danh) OR (ban doanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sang ky lang van hoi. ((hieu van) or (hieu va)) cam cuu ((ban danh) OR (ban doanh)) vi cua tre*.