Perhaps you should try some spelling variations:
chua triet » cua triet, chua thiet, chua trieu
hieu vien » hieu hien, hieu viec, thieu nien
va thanh » ban thanh, va tinh, le thanh
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
vien da » vien dai, hien dai
va chua » vua chua, ca chua, va chu
co hoi » co hoc, co loi
x hoi » xa hoi, o hoi, x ho
da tu » dau tu, dan tu, dai tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty xang ((x hoi) or (co hoi)). hieu vien da tu ((va thanh) or (gia thanh)) va chua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang ((x hoi) OR (co hoi)). hieu vien da tu ((va thanh) OR (gia thanh)) va chua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ty xang ((x hoi) or (co hoi)). hieu vien da tu ((va thanh) or (gia thanh)) va chua triet*.