Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien thanh » thien thanh, hien hanh, tien thanh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien thanh - thanh trung ((cua thong) or (cua khong)) ((cong dan) or (cong tan)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien thanh - thanh trung ((cua thong) OR (cua khong)) ((cong dan) OR (cong tan)) phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - thanh trung ((cua thong) or (cua khong)) ((cong dan) or (cong tan)) phan lap*.