Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan luong » luan phuong, tuan duong, van luong
luong cong » dung cong, trong cong, cong cong
ho chieu » theo chieu, hoc thieu, doi chieu
tac than » tac thanh, tac nhan, bac thanh
tam than » ban than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (ho chieu)) sang - hanh trinh luan luong cong ((tac than) or (tam than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) sang - hanh trinh luan luong cong ((tac than) OR (tam than)) cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) sang - hanh trinh luan luong cong ((tac than) or (tam than)) cau*.