Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh huy » trinh thuy, trinh duy, trinh thuc
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, doi chieu, mot chieu
huy dong » ha dong
cong san » cong tac
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) tinh - hanh trinh huy dong cong san ((than ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh trinh huy dong cong san ((than ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tinh - hanh trinh huy dong cong san ((than ban) or (van ban))*.