Perhaps you should try some spelling variations:
hang khoa » dung khoa
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
hang hoa » thanh hoa, hang va, dong hoa
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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 ((hang hoa) OR (hang khoa)) hoi. hieu qua cham xuc ((va thanh) or (va hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((hang hoa) OR (hang khoa)) hoi. hieu qua cham xuc ((va thanh) OR (va hanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((hang hoa) OR (hang khoa)) hoi. hieu qua cham xuc ((va thanh) or (va hanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((hang hoa) OR (hang khoa)) hoi. hieu qua cham xuc ((va thanh) or (va hanh)) vi cua tre*.