Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
doi chieu » doc hieu, doi chi, ho chieu
tong cong » trong cong, cong cong, dung cong
cong manh » cong danh, duong manh, cong thanh
hoi tieu » hoc tieu, hoi hieu, hoi tiep
trang va » tran van, hang va
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoi tieu) or (doi chieu)) tinh - hanh trang va tong cong manh ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi tieu) OR (doi chieu)) tinh - hanh trang va tong cong manh ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoi tieu) or (doi chieu)) tinh - hanh trang va tong cong manh ((toan cau) or (toan ban))*.