Perhaps you should try some spelling variations:
gia hanh » gia thanh, giao hanh, gia anh
luc gia » luoc gia, duc gia, quoc gia
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
sach ty » sach y, sach thu, xach tay
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu van
sach tu » sach thu, cach tu, sach uu
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) nang x hoi. ((hieu ve) OR (hieu va)) cam luc gia hanh vi cuu tre~.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) nang x hoi. ((hieu ve) or (hieu va)) cam luc gia hanh vi cuu tre*.