Perhaps you should try some spelling variations:
trinh phuong » trinh duong, trinh dung, trinh cong
tran phuong » tran phong, doan phuong, tai phuong
hanh trang » thanh trung, canh tranh, hanh trinh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: theo tieu tinh - hanh trang ((tran phuong) or (trinh phuong)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh trang ((tran phuong) OR (trinh phuong)) cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh trang ((tran phuong) or (trinh phuong)) cong dan toan cau*.