Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cham luc » cham soc, nhan luc, cham cuu
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cua triet, dua tren
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
hieu ve » hieu van
xang xa » lang xa, mang xa, ang xa
cuu tre » cau tren, cau treo
luc va » duc va, tuc va, loc va

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: su sach ty xang xa hoi. ((hieu ve) OR (hieu va)) cham luc va thanh lai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang xa hoi. ((hieu ve) or (hieu va)) cham luc va thanh lai ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. ((hieu ve) or (hieu va)) cham luc va thanh lai ((cua tre) OR (cuu tre))*.