Perhaps you should try some spelling variations:
nhung luong » nhung huong, nhung tuong, thuong luong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
hung luong » hung vuong, dung luong, hang luong
ho chieu » theo chieu, hoc thieu, doi chieu
doanh va » doan va, doanh tai, doanh cua
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh doanh va ((nhung luong) OR (hung luong)) tinh toan cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh doanh va ((nhung luong) OR (hung luong)) tinh toan cau*.