Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung pham » trung phan, tung pham, trung phat
pham cong » phan cong
cong cong » cong dong, trong cong, dung cong
dan thang » danh thang, van thang, dai thang
thang lao » tang lao, thanh lap, thang loi
tran van » luan van
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 ((tran van) or (tieng anh)) - thanh trung pham cong cong dan thang lao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tran van) OR (tieng anh)) - thanh trung pham cong cong dan thang lao.
• Adding a wildcard symbol may retrieve word variants: hoc ((tran van) or (tieng anh)) - thanh trung pham cong cong dan thang lao*.