Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thuan » trung tuan, trong thuan, trung thanh
thuan phong » tuan phong, tran phong, luan phong
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
cong san » cong tac
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: he ((nhieu tang) OR (hieu lang)) - thanh trung thuan phong ((cong dong) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he ((nhieu tang) OR (hieu lang)) - thanh trung thuan phong ((cong dong) OR (cong san)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "he ((nhieu tang) OR (hieu lang)) - thanh trung thuan phong ((cong dong) or (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: he ((nhieu tang) OR (hieu lang)) - thanh trung thuan phong ((cong dong) or (cong san)) than cau*.