Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » chinh doanh, kinh doanh, canh tranh
hanh doanh » hang doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan lap » phan dau
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((((canh doanh) OR (doanh doanh))) or (hanh doanh)) va nhung cong van phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((((canh doanh) OR (doanh doanh))) OR (hanh doanh)) va nhung cong van phan lap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((((canh doanh) OR (doanh doanh))) or (hanh doanh)) va nhung cong van phan lap*".