Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
cham luc » cham soc, nhan luc, cham cuu
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
dan sai » danh sai, doan sai, dan tai
sai cua » dai cua, hai cua, lai cua
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang ((x hoi) OR (xa hoi)). lieu va cham luc va dan sai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang ((x hoi) OR (xa hoi)). lieu va cham luc va dan sai cua triet".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang ((x hoi) OR (xa hoi)). lieu va cham luc va dan sai cua triet*.