Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
hanh di » hanh vi, hanh de, danh di
hang di » hang doi, hang vi, hang dien
goc va » hoc va, doc va, uoc va
y nang » ky nang, ly nang, v nang
loc va » hoc 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 y nang xa hoi. lieu va cham ((goc va) or (loc va)) ((hanh di) OR (hang di)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. lieu va cham ((goc va) OR (loc va)) ((hanh di) OR (hang di)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. lieu va cham ((goc va) or (loc va)) ((hanh di) OR (hang di)) cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. lieu va cham ((goc va) or (loc va)) ((hanh di) OR (hang di)) cua triet*.