Perhaps you should try some spelling variations:
cham xuc » cam xuc, cham soc, pham duc
dong hoa » dong hoc, dong co
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach y, sach ty
hanh va » hang va, hanh vi
so sach » so sanh, bo sach, co sach
hien tu » khien tu
ky dong » ly dong, ky dang, ky cong
va cua » va chua, via cua, ca cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dong hoa hoc. ((hien tu) OR (dien tu)) ((cham xuc) OR (chat xuc)) van hanh va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky dong hoa hoc. ((hien tu) OR (dien tu)) ((cham xuc) or (chat xuc)) van hanh va cua te~".
• Adding a wildcard symbol may retrieve word variants: so sach ky dong hoa hoc. ((hien tu) OR (dien tu)) ((cham xuc) or (chat xuc)) van hanh va cua te*.