Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
doi trieu » dong trieu, doi chieu, doi trinh
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
phan cac » nhan cach, phan dau, phan lap
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: ((doi trieu) or (doc hieu)) tinh - hanh trang va dung cong tan ((toan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi trieu) OR (doc hieu)) tinh - hanh trang va dung cong tan ((toan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((doi trieu) or (doc hieu)) tinh - hanh trang va dung cong tan ((toan cau) or (phan cac))*.