Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, hieu manh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - thanh trung cap thong ((cong dan) or (cong tan)) ((phan cau) OR (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - thanh trung cap thong ((cong dan) OR (cong tan)) ((phan cau) OR (phan cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - thanh trung cap thong ((cong dan) or (cong tan)) ((phan cau) OR (phan cac))*".