Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
trinh han » trinh quan
hanh cong » thanh cong, hang cong, hanh dong
than phan » thanh phan, toan phan, thanh pham
ho chieu » theo chieu, hoc thieu, mot chieu
han hanh » ban hanh, van hanh, han danh
tan phan » toan phan, van phan, tai phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (ho chieu)) xanh - hanh trinh han hanh cong ((tan phan) OR (than phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - hanh trinh han hanh cong ((tan phan) OR (than phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (ho chieu)) xanh - hanh trinh han hanh cong ((tan phan) OR (than phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - hanh trinh han hanh cong ((tan phan) OR (than phan)) cau*.