Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
xanh di » vanh dai, xanh tai
danh di » danh du, danh dien, danh gia
cam luc » cam xuc, cau luc
hieu va » lieu va
lang xa » lang ha, dang xay, lang van
cuu tre » cua tre, cau tren, cau treo
sach v » sach va, sach y, sach 2
luc va » duc va, tuc va, loc va
v lang » va lang, o lang, _ lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach v lang xa hoi. ((hieu va) or (hieu qua)) cam luc va ((danh di) OR (xanh di)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach v lang xa hoi. ((hieu va) OR (hieu qua)) cam luc va ((danh di) OR (xanh di)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach v lang xa hoi. ((hieu va) or (hieu qua)) cam luc va ((danh di) OR (xanh di)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: nuoc sach v lang xa hoi. ((hieu va) or (hieu qua)) cam luc va ((danh di) OR (xanh di)) cuu tre*.