Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
y nang » ly nang, v nang, may nang
ma hoi » mai hoi, xa hoi, ma hoa
soc va » hoc va, loc va, doc va
vi cua » vai cua
di cua » dai cua, doi cua, de 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) OR (ky nang)) ma hoi. lieu va cham soc va danh ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ky nang)) ma hoi. lieu va cham soc va danh ((vi cua) OR (di cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ky nang)) ma hoi. lieu va cham soc va danh ((vi cua) or (di cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ky nang)) ma hoi. lieu va cham soc va danh ((vi cua) or (di cua)) triet*.