Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
chinh chau » chinh cho, chinh phu, minh chau
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
chinh cau » chinh ca, chinh can, chinh tai
tien anh » tien manh, dien anh, tien thanh
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) OR (tieng anh)) - thanh trung cap thong cong dan ((chinh chau) or (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tieng anh)) - thanh trung cap thong cong dan ((chinh chau) OR (chinh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien anh) OR (tieng anh)) - thanh trung cap thong cong dan ((chinh chau) or (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) OR (tieng anh)) - thanh trung cap thong cong dan ((chinh chau) or (chinh cau))*.