Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, ca tren, cau treo
dau tren » dat tren, dau tieng, dau trong
dau tien » van tien
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang co hoc. hieu ve cham xuc va hanh va ((cau tren) or (((dau tren) OR (dau tien))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang co hoc. hieu ve cham xuc va hanh va ((cau tren) OR (((dau tren) OR (dau tien)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang co hoc. hieu ve cham xuc va hanh va ((cau tren) or (((dau tren) OR (dau tien))))".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang co hoc. hieu ve cham xuc va hanh va ((cau tren) or (((dau tren) OR (dau tien))))*.