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
hang hai » hoang hai, hang tai, thanh hai
va cham » va chat, va tham
va hang » van hang, va nang, va lang
hai cua » thai cua, dai cua, hoi cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, ma hoa, me hoi
luc va » duc va, tuc va, loc va

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 y nang ((ma hoi) or (xa hoi)). lieu va cham luc va hang hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang ((ma hoi) OR (xa hoi)). lieu va cham luc va hang hai cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach y nang ((ma hoi) or (xa hoi)). lieu va cham luc va hang hai cua triet*.