Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh van » trinh han, trinh quan, trinh toan
dang cong » dung cong
chao chu » cho chu, cua chu, cao cho
van dang » van dong, van dung, van nang
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

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