Perhaps you should try some spelling variations:
thien van » thi van
sach duy » sach dung, sach duoc, sach dao
duy sang » duy van, duy can, duy anh
vai cua » hai cua, lai cua, bai cua
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
te sach » toc sach
hieu ve » hieu va, hieu van
sang xa » song xa, lang xa, sang ma
xuc va » duc va, tuc va, luc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach duy sang xa hoi. ((hieu ve) OR (thien van)) cac xuc va danh ((vai cua) OR (dai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach duy sang xa hoi. ((hieu ve) or (thien van)) cac xuc va danh ((vai cua) OR (dai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: te sach duy sang xa hoi. ((hieu ve) or (thien van)) cac xuc va danh ((vai cua) OR (dai cua)) tre*.