Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
danh sai » dung sai, danh bat, danh dau
danh vai » danh va, doanh van, dang van
hieu ve » hieu va, hieu van
cac toc » cac toi, cac nuoc, cac thoi
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ve cac » va cac, vien cac
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: te sach ky nang x hoi. hieu ve cac toc thai ((danh vai) OR (danh sai)) ((cua tre) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu ve cac toc thai ((danh vai) OR (danh sai)) ((cua tre) OR (cau theo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu ve cac toc thai ((danh vai) OR (danh sai)) ((cua tre) or (cau theo))*".