Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, biet lang
cua nhung » va nhung
hieu van » hieu va, thien van, lieu va
anh cong » hanh cong, anh dong, thanh cong
cong cua » cong cu, dong cua, huong cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo ((nhieu tang) or (((hieu lang) or (hieu van)))) - anh cong cua nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (((hieu lang) OR (hieu van)))) - anh cong cua nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (((hieu lang) or (hieu van)))) - anh cong cua nhung cong dan toan cau*.