Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
vu cham » va cham, vu kham, tu cham
xuc van » duc van, luc van, xuc ban
ve cham » va cham, ve chat, ve chim
ve cam » ve cac, va cam, ve cai
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((ve cam) or (((ve cham) OR (vu cham)))) xuc van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x hoi. hieu ((ve cam) OR (((ve cham) OR (vu cham)))) xuc van hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang x hoi. hieu ((ve cam) or (((ve cham) OR (vu cham)))) xuc van hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. hieu ((ve cam) or (((ve cham) OR (vu cham)))) xuc van hanh vi cua triet*.