Perhaps you should try some spelling variations:
nhanh hang » nhanh thang, nhanh lang, thanh hang
theo dieu » theo tieu, theo chieu, thuoc dieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
va dang » van dang, va nang, da dang
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - nhanh hang ((va dang) OR (va lang)) cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - nhanh hang ((va dang) OR (va lang)) cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - nhanh hang ((va dang) OR (va lang)) cong tac toan tap*.