Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
tang luan » dung luan
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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 - hanh ((thang cua) or (tang luan)) nhung cong dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - hanh ((thang cua) OR (tang luan)) nhung cong dan ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - hanh ((thang cua) or (tang luan)) nhung cong dan ((toan cao) or (van ban))*.