Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien thanh » tien thanh, thi thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
tien anh » tieng anh, tien manh, dien anh
trung va » truong va, trang va, trung ha
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 thanh) or (tien anh)) - thanh trung va nhung cong dan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (tien anh)) - thanh trung va nhung cong dan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (tien anh)) - thanh trung va nhung cong dan ((than cau) or (phan cau))*.