Perhaps you should try some spelling variations:
thanh phong » thanh phuong, khanh phong, thanh hong
phong luan » thong luan, hang luan, tong luan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
tien manh » tien thanh, tieng anh, tran manh
tien anh » tieng anh, dien anh, tien thanh
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan ca » phan cac, phan cau, phan cam

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 (tien manh)) - thanh phong luan chung cong tan phan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tien manh)) - thanh phong luan chung cong tan phan ca.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (tien manh)) - thanh phong luan chung cong tan phan ca*.