Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
trung cua » truong cua, trung tuan, trung cap
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu manh - hanh ((doanh cua) or (trung cua)) nhung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - hanh ((doanh cua) OR (trung cua)) nhung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - hanh ((doanh cua) or (trung cua)) nhung cong san toan ban*.