Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
cua nhung » va nhung
tran tuan » tran xuan, tran quang, tran thanh
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (nhieu tang)) - thanh tung cua nhung cong tan tran tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (nhieu tang)) - thanh tung cua nhung cong tan tran tuan.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (nhieu tang)) - thanh tung cua nhung cong tan tran tuan*.