Perhaps you should try some spelling variations:
cau trieu » cac trieu, cau triet, chua trieu
thu sach » tu sach, thuat sach, thuoc sach
dang van » hoang van, hang va
van phoi » van hoi, van choi, van khoi
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xuc va » tuc va, luc va, xac va
vi cau » va cau, ve cau, di cau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky dang van phoi. hieu van nam ((xuc va) OR (duc va)) hanh vi cau trieu~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky dang van phoi. hieu van nam ((xuc va) OR (duc va)) hanh vi cau trieu*.