Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin dung
dan than » dan chan, ban than, van than

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

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