Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tran » trung tuan, trung thanh, trung tam
hung cuong » hung vuong, hong cuong, hung luong
trinh quan » tinh quang, trinh luat, trinh han
hieu lang » hieu quang, nhieu tang, hieu van
hung cong » nhung cong, phung cong, dung cong
quan ha » quan he

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((hieu lang) or (chieu sang)) - thanh trung tran ((hung cong) OR (hung cuong)) trinh quan ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (chieu sang)) - thanh trung tran ((hung cong) OR (hung cuong)) trinh quan ha.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu lang) or (chieu sang)) - thanh trung tran ((hung cong) OR (hung cuong)) trinh quan ha".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu lang) or (chieu sang)) - thanh trung tran ((hung cong) OR (hung cuong)) trinh quan ha*.