Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
nang xay » dang xay, nganh xay, nang xuan
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
luc gia » luoc gia, duc gia, quoc gia

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 ky nang xay hoi. ((hieu ve) or (lieu va)) cau luc gia thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xay hoi. ((hieu ve) OR (lieu va)) cau luc gia thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xay hoi. ((hieu ve) or (lieu va)) cau luc gia thanh dai cua triet*.