Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
danh vai » danh sai, danh va, doanh van
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, dua tren
te sach » toc sach
cac toc » cac toi, cac nuoc, cac thoi
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ta danh » tac danh, tao danh, tap danh
toc ta » toc tay, toc thai
ve cac » va cac, vien cac
cua te » cua tu

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 xa hoi. hieu ve cac toc ta danh vai ((((cua tre) OR (cua te))) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve cac toc ta danh vai ((((cua tre) OR (cua te))) OR (cau triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ve cac toc ta danh vai ((((cua tre) OR (cua te))) or (cau triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve cac toc ta danh vai ((((cua tre) OR (cua te))) or (cau triet))*.