Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
truc van » truc va, thuc van, truc ban
minh voi » binh voi, minh hoi, minh loi
hieu ve » hieu van
hieu va » lieu va, hieu qua
minh vi » dinh vi, minh va, minh ve
su dai » sau dai, si dai, su tai
dai ky » dan ky, dai ly, sai ky
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su dai ky nang x hoi. ((hieu ve) or (hieu va)) cau truc van ((minh vi) OR (minh voi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su dai ky nang x hoi. ((hieu ve) OR (hieu va)) cau truc van ((minh vi) OR (minh voi)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su dai ky nang x hoi. ((hieu ve) or (hieu va)) cau truc van ((minh vi) OR (minh voi)) cua triet*".