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
hang cua » mang cua, hang ca, huong cua
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 ((hang 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 ((hang cua) OR (dung cua)) nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: chao ((chu sang) or (thu sang)) - hanh ((hang cua) or (dung cua)) nhung cong tac toan ban*.