Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
thuc va » thuc vat, thuc dan, thuc day
dan vai » dan va, dan tai, dan vat
tu sach » thu sach, su sach, tu cach
hieu ve » hieu va, hieu van
te sach » toc sach
va dan » ca dan, va dao, va dau
x hoi » xa hoi, o hoi, x ho
ve am » va am

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang x hoi. hieu ve am thuc va dan vai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang x hoi. hieu ve am thuc va dan vai ((cua triet) OR (su triet))~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang x hoi. hieu ve am thuc va dan vai ((cua triet) OR (su triet))*.