Perhaps you should try some spelling variations:
chai cuc » chi cuc, hai cuc, tai cuc
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
va chai » va cai, va chat, va cham
ma hoi » mai hoi, ma hoa, me hoi
cuc va » chuc va, duc va, cuu 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: vu sach ky nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh ((vi cua) OR (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ((ma hoi) OR (xa hoi)). lieu va chai cuc va thanh ((vi cua) OR (di cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh ((vi cua) OR (di cua)) tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh ((vi cua) OR (di cua)) tre*.