Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
doi chieu » doc hieu, doi chi, mot chieu
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tam » cong tac, cong tan, cong nam
tam than » ban than
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 (doi chieu)) tinh - hanh ((trinh luan) or (tinh cua)) cong cong tam than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - hanh ((trinh luan) OR (tinh cua)) cong cong tam than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - hanh ((trinh luan) or (tinh cua)) cong cong tam than ban*.