Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
theo chuc » theo chu, tho chu
hach toan » thanh toan, manh toan
treo chu » theo chu, tho chu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
tap toan » tap doan, tap quan, bai 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 chuc) OR (treo chu)) nang - anh tang cua cong cong ((hach toan) or (tap toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chuc) OR (treo chu)) nang - anh tang cua cong cong ((hach toan) OR (tap toan)) tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chuc) OR (treo chu)) nang - anh tang cua cong cong ((hach toan) or (tap toan)) tap*".