Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh dau » lanh dao, danh tu, xang dau
hang dau » hang va, hang tai
cham luc » cham soc, nhan luc, cham cuu
hieu ve » hieu van
hieu va » lieu va, hieu qua
may hoi » may thoi, tay hoi, mai hoi
te sach » toc sach
y mang » cay mang
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y mang may hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang dau)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y mang may hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) OR (hang dau)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y mang may hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang dau)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y mang may hoi. ((hieu ve) OR (hieu va)) cham luc va ((danh dau) or (hang dau)) cua triet*.