Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
trong manh » trong minh, trong anh, trong mach
tieu danh » dieu danh, tiep danh, thien danh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

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 danh - ((hanh trang) or (canh tranh)) va dung trong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - ((hanh trang) OR (canh tranh)) va dung trong manh toan cau*.