Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
thanh dat » thanh san, thanh hai, thanh van
sach ky » sac ky, sach y, sach ty
dat cua » dai cua, day cua, mat cua
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va
cua te » cua tu

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 ky nang xa hoi. ((hieu ve) or (hieu va)) cham ((soc va) OR (loc va)) thanh dat cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ky nang xa hoi. ((hieu ve) OR (hieu va)) cham ((soc va) OR (loc va)) thanh dat cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach ky nang xa hoi. ((hieu ve) or (hieu va)) cham ((soc va) OR (loc va)) thanh dat cua te*".