Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
trung cap » truong cao
trung ha » trung hoc
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - hanh ((((trung cap) or (trung tam))) or (trung ha)) nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - hanh ((((trung cap) OR (trung tam))) OR (trung ha)) nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - hanh ((((trung cap) or (trung tam))) or (trung ha)) nhung cong dan than cau*.