Perhaps you should try some spelling variations:
ve triet » va trien, su triet
su tien » su kien, su hien, tu tieng
luu van » cuu van, luan van, luu hanh
sach ly » sach y, sach lo, sach ty
tu sach » thu sach, su sach, te sach
luu ban » luu bang, luu dan, cuu ban
va cham » va chat, va tham
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
ly hang » ly quang

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. hieu va cham ((luu ban) OR (luu van)) hanh vi ((su tien) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly hang xa hoi. hieu va cham ((luu ban) OR (luu van)) hanh vi ((su tien) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly hang xa hoi. hieu va cham ((luu ban) OR (luu van)) hanh vi ((su tien) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ly hang xa hoi. hieu va cham ((luu ban) OR (luu van)) hanh vi ((su tien) or (ve triet))*.