Perhaps you should try some spelling variations:
chat xuc » chat huu, chao xu, chat cua
dong hoa » dong hoc, dong co
van hanh » van thanh, ban hanh, van anh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky dong » ly dong, ky dang, ky cong
hien tu » khien tu, dien tu
hanh va » hang va, hanh vi
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.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky dong hoa hoc. hien tu ((cam xuc) or (chat xuc)) van hanh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dong hoa hoc. hien tu ((cam 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 ((cam xuc) or (chat xuc)) van hanh va cua te*.