Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh qua » doanh quan, doanh cua, danh qua
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
toc hieu » toc thieu, doc hieu, hoc thieu
qua dung » quang dung, su dung, qua song
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - hanh doanh qua dung cong manh ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh doanh qua dung cong manh ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh doanh qua dung cong manh ((toan ban) or (toan cao))*.