Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang dau » hang va, hang tai
cham luc » cham soc, nhan luc, cham cuu
danh tu » anh tu, doanh thu
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
ve cham » va cham, ve chat, vu cham
sach 6 » sach 2
ma hoi » mai hoi, xa hoi, ma hoa
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 6) OR (sach y)) tang ma hoi. hieu ve cham luc va ((danh tu) or (hang dau)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach 6) OR (sach y)) tang ma hoi. hieu ve cham luc va ((danh tu) OR (hang dau)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach 6) OR (sach y)) tang ma hoi. hieu ve cham luc va ((danh tu) or (hang dau)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te ((sach 6) OR (sach y)) tang ma hoi. hieu ve cham luc va ((danh tu) or (hang dau)) cua triet*.