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