Perhaps you should try some spelling variations:
chieu trach » chiu trach, chien tranh, chiet tach
doi chieu » doc hieu, doi chi, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
hai trong » tai trong, bai trong, dai trong
mang hai » hang hai, dang hai, manh hai
cong dan » cong san, cong tan, huong dan
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: doi chieu trach - hanh mang hai trong cong dan ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu trach - hanh mang hai trong cong dan ((toan cau) OR (van ban))*.