Perhaps you should try some spelling variations:
luc ngan » luc nganh, luc nhan, luat ngan
cau tren » cu tren, dau tren, ca tren
sach ty » sach tu, sach thu, xach tay
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
hang li » hang loi, hang ly, fang li
ve cau » ke cau, va cau, ve cac
li cau » loi cau, li ca, le cau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach y)) mang xa hoi. hieu ve cau luc ngan hang li cau tren~".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach y)) mang xa hoi. hieu ve cau luc ngan hang li cau tren*.