Perhaps you should try some spelling variations:
hieu cach » chieu sach, hieu ca, biet cach
nhan luc » nang luc
sach luu » sach luan, sach dau, sach mau
hieu cac » hieu luc, hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
sach uu » sach tu, sach xu, sach dau
dang xa » dang xay, lang xa, dang ha
luc va » duc va, tuc va, loc va
va dao » ca dao
dao va » dao van, tao va, do va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach uu) or (sach luu)) dang xa hoi. ((hieu cach) or (hieu cac)) nhan luc va dao va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach uu) OR (sach luu)) dang xa hoi. ((hieu cach) OR (hieu cac)) nhan luc va dao va cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach uu) or (sach luu)) dang xa hoi. ((hieu cach) or (hieu cac)) nhan luc va dao va cua tre*.