Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
dan chan » dan gian, dan ca, van chat
co diep » co dien, co dieu, cao dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co diep tinh - hanh trinh cua nhung cong ((((dan toan) or (van toan))) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co diep tinh - hanh trinh cua nhung cong ((((dan toan) OR (van toan))) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: co diep tinh - hanh trinh cua nhung cong ((((dan toan) or (van toan))) or (dan chan)) cau*.