Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
anh tang » anh bang, anh dang, anh nang
dan toan » van toan, dan than, xuan toan

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 - ((hanh tang) OR (anh tang)) cua nhung cong ((manh toan) or (dan toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - ((hanh tang) OR (anh tang)) cua nhung cong ((manh toan) OR (dan toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - ((hanh tang) OR (anh tang)) cua nhung cong ((manh toan) or (dan toan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - ((hanh tang) OR (anh tang)) cua nhung cong ((manh toan) or (dan toan)) ban*.