Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc manh » hoc anh, hoc hanh, hoc danh
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
cong sat » cong suat, cong san, cong hat
sat nhan » hat nhan, sat phan, ca nhan
nhan cau » nhanh cau, phan cau, nhan sau
cho hoc » co hoc, khoa hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho hoc manh - hanh ((mang cua) or (manh cua)) nhung cong sat nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho hoc manh - hanh ((mang cua) OR (manh cua)) nhung cong sat nhan cau.
• Adding a wildcard symbol may retrieve word variants: cho hoc manh - hanh ((mang cua) or (manh cua)) nhung cong sat nhan cau*.