Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hiem ngan » kim ngan, viem gan
trang cua » tranh cua, tang cua, trung cua
hoc hiem » hoc hien, hoc thieu, hoc thiet
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hiem ngan - hanh trang cua cong ((cong dan) or (cong tan)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hiem ngan - hanh trang cua cong ((cong dan) OR (cong tan)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - hanh trang cua cong ((cong dan) or (cong tan)) ((toan cau) or (toan ban))*.