Perhaps you should try some spelling variations:
duy sang » duy van, duy can, duy anh
lap hoat » tap hoa, dan hoat, lap dat
danh vai » danh sai, danh va, doanh van
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
ky dang » ky nang, ky danh
hieu ve » hieu va
cua te » cua tu
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((duy sang) or (ky dang)) lap hoat. ((hieu ve) or (hieu van)) cam xuc va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((duy sang) OR (ky dang)) lap hoat. ((hieu ve) OR (hieu van)) cam xuc va danh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((duy sang) or (ky dang)) lap hoat. ((hieu ve) or (hieu van)) cam xuc va danh vai cua te*.