Perhaps you should try some spelling variations:
chieu hanh » chieu xanh, dieu hanh, chi hanh
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
hien hanh » dieu hanh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
quang cao » nang cao, quang nam
cong tan » cong tac, cong san, cong thanh
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: theo ((chieu hanh) OR (hien hanh)) - hanh trang luan dung cong tan ((quang cao) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu hanh) OR (hien hanh)) - hanh trang luan dung cong tan ((quang cao) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu hanh) OR (hien hanh)) - hanh trang luan dung cong tan ((quang cao) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu hanh) OR (hien hanh)) - hanh trang luan dung cong tan ((quang cao) or (toan cau))*.