Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
va thanh » gia thanh, ban thanh, va tinh
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
vi cua » di cua
va cam » va cac, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ty nang xa hoi. hieu ((va cam) or (va cham)) duc va thanh ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ty nang xa hoi. hieu ((va cam) OR (va cham)) duc va thanh ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ty nang xa hoi. hieu ((va cam) or (va cham)) duc va thanh ((vi cua) OR (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty nang xa hoi. hieu ((va cam) or (va cham)) duc va thanh ((vi cua) OR (vai cua)) te*.