Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh moi » thanh moi, hanh noi, hanh mot
hanh voi » hanh noi, lanh voi, khang voi
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, dau tren, ca tren
cac khoi » cac thoi, cac khoan, cach thoi
bang cac » nang cao, hang ca, dung cac
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
ky bang » ky nang, ky dang, ke bang
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 bang cac khoi. hieu ve cham xuc va ((((hanh voi) OR (hanh moi))) or (hanh vi)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky bang cac khoi. hieu ve cham xuc va ((((hanh voi) OR (hanh moi))) OR (hanh vi)) cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky bang cac khoi. hieu ve cham xuc va ((((hanh voi) OR (hanh moi))) or (hanh vi)) cau tren".
• Adding a wildcard symbol may retrieve word variants: thu sach ky bang cac khoi. hieu ve cham xuc va ((((hanh voi) OR (hanh moi))) or (hanh vi)) cau tren*.