Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
qua cam » qua cham, qua cac, qua ca
xuc van » duc van, luc van, xuc ban
van anh » van thanh, tuan anh, van minh
cua tre » cuu tre, cua triet, dua tren
anh vi » hanh vi, anh va, anh ve
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 ty ((nang x) or (nang cao)) hoi. hieu qua cam xuc van anh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang x) OR (nang cao)) hoi. hieu qua cam xuc van anh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((nang x) or (nang cao)) hoi. hieu qua cam xuc van anh vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang x) or (nang cao)) hoi. hieu qua cam xuc van anh vi ((cua tre) OR (cua te))*.