Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly hang » ly quang
hang xa » hoang xa, hang va, hang ca
cac tac » cac toc, cac bac, cac dac
danh vi » hanh vi, dinh vi, danh di
dinh ve » dinh ket, dinh van
tac va » tac da, tac xa, tuc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly hang xa hoi. lieu va cac tac va ((danh vi) or (dinh ve)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly hang xa hoi. lieu va cac tac va ((danh vi) OR (dinh ve)) su triet*.