Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
tang mai » tang ma, tang tai, lang mai
danh tu » anh tu, doanh thu
va danh » va dinh, va dan, va hanh
te sach » toc sach
ve cham » va cham, ve chat, ve chim
mai hoi » mai khoi, dai hoi, lai hoi
vu cham » va cham, vu kham, tu cham
sach 6 » sach y, sach 2
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 6 tang mai hoi. hieu ((ve cham) OR (vu cham)) loc va danh tu ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 6 tang mai hoi. hieu ((ve cham) OR (vu cham)) loc va danh tu ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 6 tang mai hoi. hieu ((ve cham) OR (vu cham)) loc va danh tu ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach 6 tang mai hoi. hieu ((ve cham) OR (vu cham)) loc va danh tu ((cua triet) or (cua viet))*.