Perhaps you should try some spelling variations:
thien chien » thien nhien
phuong cong » phuong dong, phong cong, phung cong
thien hieu » thien nhien, thien hue, tin hieu
hanh trang » thanh trung, hanh trinh, minh trang
va phuong » va thuong, cac phuong
cong tan » cong tac, cong san, cong thanh
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: ((thien hieu) or (thien chien)) lang - ((hanh trang) OR (canh tranh)) va phuong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thien hieu) OR (thien chien)) lang - ((hanh trang) OR (canh tranh)) va phuong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thien hieu) or (thien chien)) lang - ((hanh trang) OR (canh tranh)) va phuong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((thien hieu) or (thien chien)) lang - ((hanh trang) OR (canh tranh)) va phuong cong tan toan cau*.