Perhaps you should try some spelling variations:
thanh trung » thanh tung
cau phuong » cac phuong, cuu phuong, va phuong
tien manh » tien anh, tien thanh, tieng anh
trung cau » trung cap, trung ca, trung can
thanh lap » thanh san, phan lap, thanh hai
hoc tien » hoc tieng, hoc hien, hoc vien
cong tan » cong tac, cong san, cong thanh
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 tien manh - thanh trung cau phuong ((cong tan) or (huong dan)) ((phan cau) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien manh - thanh trung cau phuong ((cong tan) OR (huong dan)) ((phan cau) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc tien manh - thanh trung cau phuong ((cong tan) or (huong dan)) ((phan cau) or (thanh lap))*.