Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ha » nang hai, nang han, nang hoa
cua tre » cuu tre, cua triet, dua tren
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 ha noi. hieu qua cham xuc ((va thanh) or (ban hanh)) vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ha noi. hieu qua cham xuc ((va thanh) OR (ban hanh)) vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ha noi. hieu qua cham xuc ((va thanh) or (ban hanh)) vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ha noi. hieu qua cham xuc ((va thanh) or (ban hanh)) vi ((cua tre) OR (cua te))*.