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 thu, xach tay
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
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 tu)) nang xa hoi. ((hieu ve) or (hieu qua)) 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 tu)) nang xa hoi. ((hieu ve) OR (hieu qua)) cau luc gia thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) nang xa hoi. ((hieu ve) or (hieu qua)) cau luc gia thanh vi cua tre*.