Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vii » hanh voi, hanh va, hanh noi
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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 y nang x hoi. hieu ve cam xuc va ((hanh vii) or (hanh vi)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ve cam xuc va ((hanh vii) OR (hanh vi)) su triet*.