Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
va thanh » gia thanh, ban thanh, va tinh
cham luc » nhan luc, cham cuu, chat lua
van cua » vang cua, ban cua, dan cua
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
so hai » son hai, su hai, so ha
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: tu sach ty nang ((x hoi) or (so hai)). lieu va ((cham luc) OR (cham soc)) va thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((x hoi) OR (so hai)). lieu va ((cham luc) OR (cham soc)) va thanh van cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ((x hoi) or (so hai)). lieu va ((cham luc) OR (cham soc)) va thanh van cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((x hoi) or (so hai)). lieu va ((cham luc) OR (cham soc)) va thanh van cua triet*.