Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
cap nuoc » dat nuoc
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu dang » thu dang, tu dong, su dang
xay hoi » xa hoi, tay hoi, cay phoi
cac xuc » cam xuc, cac nuoc, chat xuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tu dang xay hoi. hieu qua ((cac xuc) or (cap nuoc)) gia thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu dang xay hoi. hieu qua ((cac xuc) OR (cap nuoc)) gia thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach tu dang xay hoi. hieu qua ((cac xuc) or (cap nuoc)) gia thanh dai cua triet*.