Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phuong hoang
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
phung cong » nhung cong, phong cong, nhung chong
tranh va » tranh van, trang va, trinh va
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chieu xanh) or (chieu tinh)) - canh tranh va ((phuong cong) OR (phung cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chieu xanh) OR (chieu tinh)) - canh tranh va ((phuong cong) OR (phung cong)) tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chieu xanh) or (chieu tinh)) - canh tranh va ((phuong cong) OR (phung cong)) tan toan cau".
• Adding a wildcard symbol may retrieve word variants: cho ((chieu xanh) or (chieu tinh)) - canh tranh va ((phuong cong) OR (phung cong)) tan toan cau*.