Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
luc gia » luoc gia, duc gia, quoc gia
cau luc » cau truc, cau phuc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach uu » sach luu, sach tu, sach xu
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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 ty) or (sach uu)) nang xa hoi. ((hieu ve) or (lieu va)) cau luc gia thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach uu)) nang xa hoi. ((hieu ve) OR (lieu va)) cau luc gia thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach uu)) nang xa hoi. ((hieu ve) or (lieu va)) cau luc gia thanh vi cua tre*.