Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
lai cua » dai cua, hai cua, lai chau
day ban » tay ban, da ban, day dan
tu sach » thu sach, su sach, te sach
lang xa » dang xay, lang van
lang ha » long ha
van hac » van hoc, van hai, van chat
van ha » van hoa, van chat, van hanh

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 ((lang xa) OR (lang ha)) hoi. hieu ((van hac) or (van ha)) day ban thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang xa) OR (lang ha)) hoi. hieu ((van hac) OR (van ha)) day ban thanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((lang xa) OR (lang ha)) hoi. hieu ((van hac) or (van ha)) day ban thanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((lang xa) OR (lang ha)) hoi. hieu ((van hac) or (van ha)) day ban thanh lai cua triet*.