Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh dat » dinh dat, tinh dau, tinh dak
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
tinh da » tinh va, tinh gia, tinh lao
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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: tu sach ky nang x ho. hieu va cam xuc va ((tinh dat) OR (tinh da)) ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. hieu va cam xuc va ((tinh dat) OR (tinh da)) ((cua triet) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x ho. hieu va cam xuc va ((tinh dat) OR (tinh da)) ((cua triet) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x ho. hieu va cam xuc va ((tinh dat) OR (tinh da)) ((cua triet) or (cua te))*.