Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
canh doanh » chinh doanh, doanh doanh, kinh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
cua tong » cua dong, cua nong, cua song
toan ban » van ban
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 (hanh doanh)) ((cua tong) OR (cua cong)) cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((canh doanh) OR (hanh doanh)) ((cua tong) OR (cua cong)) cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((canh doanh) or (hanh doanh)) ((cua tong) OR (cua cong)) cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((canh doanh) or (hanh doanh)) ((cua tong) OR (cua cong)) cong manh toan ban*.