Perhaps you should try some spelling variations:
thanh trung » thanh tung
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
hien anh » hien hanh, thien anh, dien anh
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan 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 hien anh - thanh trung ((cua thong) or (cua khong)) cong dan ((than cau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - thanh trung ((cua thong) OR (cua khong)) cong dan ((than cau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - thanh trung ((cua thong) or (cua khong)) cong dan ((than cau) or (khan cap))*.