Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
hoang van » hang va
hong van » thong van, phong van, song van
toan cau » toan cao, toan ban, 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: hoc thieu manh - hanh doanh cua nhung ((hong van) or (hoang van)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh doanh cua nhung ((hong van) OR (hoang van)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh doanh cua nhung ((hong van) or (hoang van)) toan cau*.