Perhaps you should try some spelling variations:
trinh cuong » trinh chuong, trinh cong, trinh duong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
cuong dung » tuong duong, ung dung, thong dung
cong luan » tong luan, dong luan, cong luong
cong tuan » cong tan, cong thanh, cong quang
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - canh trinh cuong dung ((cong luan) OR (cong tuan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - canh trinh cuong dung ((cong luan) OR (cong tuan)) phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - canh trinh cuong dung ((cong luan) OR (cong tuan)) phan cau*".