Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
cau theo » cau thi, cau tao
va thanh » gia thanh, va tinh, le thanh
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
tu sach » thu sach, su sach, te sach
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu va cac toc ((va thanh) OR (ban thanh)) lap ((cua triet) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. hieu va cac toc ((va thanh) OR (ban thanh)) lap ((cua triet) OR (cau theo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. hieu va cac toc ((va thanh) OR (ban thanh)) lap ((cua triet) or (cau theo))*".