Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chu sang » chu bang, chieu sang, chuc nang
thu sang » thu hang, thu san, thu bang
tang cua » mang cua, hang cua, tang luan
dung cua » dung luan, dung cho
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: chao ((chu sang) OR (thu sang)) - hanh ((tang cua) or (dung cua)) nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu sang) OR (thu sang)) - hanh ((tang cua) OR (dung cua)) nhung cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu sang) OR (thu sang)) - hanh ((tang cua) or (dung cua)) nhung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: chao ((chu sang) OR (thu sang)) - hanh ((tang cua) or (dung cua)) nhung cong tac toan ban*.