Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cua te, cuu tre, dua tren
va cam » va cham, va cac, va cao
xuc xa » tuc xa, buc xa

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 ma hoa. hieu va cam xuc xa hanh vi ((((cua tre) or (cua triet))) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoa. hieu va cam xuc xa hanh vi ((((cua tre) OR (cua triet))) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoa. hieu va cam xuc xa hanh vi ((((cua tre) or (cua triet))) or (hoa viet))*.