Perhaps you should try some spelling variations:
su triet » su tien, ve triet
tu sach » thu sach, su sach, te sach
cuu san » cuu van, cua san, cuu nang
su viet » so viet
cuu ban » cuu van, cua ban, cuu nang
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
hang xa » hoang xa, hang va, hang ca
y hang » ly hang, ty hang, yu hang

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 y hang xa hoi. hieu ve cham ((cuu ban) or (cuu san)) hanh vi ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y hang xa hoi. hieu ve cham ((cuu ban) OR (cuu san)) hanh vi ((su triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y hang xa hoi. hieu ve cham ((cuu ban) or (cuu san)) hanh vi ((su triet) or (su viet))*.