Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh dau » lanh dao, hang dau, xang dau
cham loc » cham soc, chon loc, cham o
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
mai hoi » mai khoi, dai hoi, lai hoi
danh tu » anh tu, doanh thu
te sach » toc sach
y tang » ky tang, 6 tang, 7 tang
ma hoi » xa hoi, ma hoa, me hoi
loc va » hoc va, luc 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 tang ((ma hoi) or (mai hoi)). hieu van cham loc va ((danh dau) or (danh tu)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ((ma hoi) OR (mai hoi)). hieu van cham loc va ((danh dau) OR (danh tu)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y tang ((ma hoi) or (mai hoi)). hieu van cham loc va ((danh dau) or (danh tu)) cua triet*.