Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
quan trong » gian trong
hop nhieu » hoc thieu, ho chieu, he nhieu
nang tong » nang trong, nang song, nang dong
tong quan » thong quan, tong luan, luong quan
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop nhieu tang - nang tong quan trong cong dan ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop nhieu tang - nang tong quan trong cong dan ((than cau) OR (phan tu))*.