Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
hieu quang » thieu quang, hieu quan, hieu qua
tranh cua » manh cua
doanh cua » doanh luan
phan cong » thanh cong
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho ((nhieu tang) or (hieu quang)) - canh ((tranh cua) OR (doanh cua)) phan cong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((nhieu tang) OR (hieu quang)) - canh ((tranh cua) OR (doanh cua)) phan cong tap doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho ((nhieu tang) or (hieu quang)) - canh ((tranh cua) OR (doanh cua)) phan cong tap doan cau".
• Adding a wildcard symbol may retrieve word variants: nho ((nhieu tang) or (hieu quang)) - canh ((tranh cua) OR (doanh cua)) phan cong tap doan cau*.