Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, thong thanh
tranh cuong » thanh cuong, tran cuong, thanh chuong
theo chieu » theo tieu, theo chu, thi chieu
cuong dung » tuong duong, ung dung, thong dung
rong thanh » dong thanh, cong thanh, truong thanh
ho chieu » hoc thieu, doi chieu, mot chieu
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: ((ho chieu) or (theo chieu)) xanh - canh tranh cuong dung ((trong thanh) OR (rong thanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh tranh cuong dung ((trong thanh) OR (rong thanh)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - canh tranh cuong dung ((trong thanh) OR (rong thanh)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - canh tranh cuong dung ((trong thanh) OR (rong thanh)) phan cau*.