Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
ho chieu » theo chieu, hoc thieu, doi chieu
nha dieu » nhan dieu, nhan dien, khoa dieu
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: ((ho chieu) or (nha dieu)) lang - hanh ((trinh cua) or (tinh chat)) nhung cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (nha dieu)) lang - hanh ((trinh cua) OR (tinh chat)) nhung cong bang than cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (nha dieu)) lang - hanh ((trinh cua) or (tinh chat)) nhung cong bang than cau*.