Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van cham » van chat, va cham, van pham
van tham » van thanh, van tuan, van chat
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hanh di » hanh vi, hanh de, hang di
soc va » loc va, doc va, goc va
di cua » dai cua, doi cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. thien ((van cham) OR (van tham)) ((soc va) OR (hoc va)) hanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. thien ((van cham) OR (van tham)) ((soc va) or (hoc va)) hanh di cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. thien ((van cham) OR (van tham)) ((soc va) or (hoc va)) hanh di cua triet*.