Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap
tung ha » trung ha, dung ha, tung ho

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 - thanh tung ha nhung ((cong dan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - thanh tung ha nhung ((cong dan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - thanh tung ha nhung ((cong dan) or (cong san)) toan cao*.