Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhiet nang » nhiet dong, viet nang, nhieu tang
hoc nhiet » hoc thiet, hoc nghien, hoc hien
tranh cua » doanh cua, manh cua
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tang cua » mang cua, hang cua, tang luan
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 nhiet nang - hanh ((tang cua) or (tranh cua)) nhung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nhiet nang - hanh ((tang cua) OR (tranh cua)) nhung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet nang - hanh ((tang cua) or (tranh cua)) nhung cong manh toan cao*.