Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien anh » thien danh, thien thanh, thien chanh
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
tien anh » tieng anh, tien manh, dien anh
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

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