Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
chi xanh » chi anh, chi danh, chi hanh
dan toan » van toan, xuan toan, dien toan
dan than » dan chan, ban than, van than
doi chi » doi khi

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

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