Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
manh cua » doanh cua, ban cua
dan toan » van toan, xuan toan, dien toan
dan than » dan chan, ban than, van than
theo te » theo tu, theo tieu, theo yeu
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo te sach - canh manh cua nhung cong ((((dan toan) OR (dan than))) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo te sach - canh manh cua nhung cong ((((dan toan) OR (dan than))) OR (manh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo te sach - canh manh cua nhung cong ((((dan toan) OR (dan than))) or (manh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo te sach - canh manh cua nhung cong ((((dan toan) OR (dan than))) or (manh toan)) tap*.