Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham thuc » nham thuc, pham thuc, tam thuc
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve tham » va tham, ve cham, vi tham
thuc va » thuc vat, thuc dan, thuc day
danh tu » anh tu, doanh thu
sach 7 » sach y, sach 2
7 tang » 6 tang

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 7 tang xa hoi. hieu ve tham thuc va ((danh tu) or (hang va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 7 tang xa hoi. hieu ve tham thuc va ((danh tu) OR (hang va)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach 7 tang xa hoi. hieu ve tham thuc va ((danh tu) or (hang va)) cua triet*.