Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cau triet » cau trieu, cua triet, va triet
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
qua hai » qua hoat
qua cam » qua cham, qua cac, qua ca
van xa » van xay, van ha, dan xa
y van » ly van, ty van, _ van

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 van xa hoi. hieu ((qua cam) or (qua hai)) duc van thanh vi ((cau triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y van xa hoi. hieu ((qua cam) OR (qua hai)) duc van thanh vi ((cau triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y van xa hoi. hieu ((qua cam) or (qua hai)) duc van thanh vi ((cau triet) OR (su triet))*".