Perhaps you should try some spelling variations:
cong thuong » hang thuong
nhiet nang » nhiet dong, viet nang, nhieu tang
thuong van » thong van, truong van, thuong va
trinh cua » tinh cua, trinh luat, trinh quan
ho nhiet » hoc nhiet, ho thiet, hoc thiet
van tai » von tai, van tuan
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho nhiet nang - hanh ((trinh cua) or (tinh chat)) cong thuong van tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho nhiet nang - hanh ((trinh cua) OR (tinh chat)) cong thuong van tai cao.
• Adding a wildcard symbol may retrieve word variants: ho nhiet nang - hanh ((trinh cua) or (tinh chat)) cong thuong van tai cao*.