Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu sang » chieu sang, hieu lang, hieu quang
doanh cua » doanh luan
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
duong va » duong van, dung va, dong va
luong va » dung va
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: doc hieu sang - hanh doanh cua nhung ((duong va) or (luong va)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sang - hanh doanh cua nhung ((duong va) OR (luong va)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - hanh doanh cua nhung ((duong va) or (luong va)) toan cau*.