Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va cham » va chat, va tham
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, ma hoa, me hoi
soc va » hoc va, loc va, doc va
va dao » ca dao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ((ma hoi) or (xa hoi)). lieu va cham soc va dao ((vi cua) or (doi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((ma hoi) OR (xa hoi)). lieu va cham soc va dao ((vi cua) OR (doi cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((ma hoi) or (xa hoi)). lieu va cham soc va dao ((vi cua) or (doi cua)) triet*.