Perhaps you should try some spelling variations:
sach thame » sach thue
thanh dieu » thanh lieu, than dieu, hanh dieu
sach tham » sach nha
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
dieu cua » dieu tra
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
va chao » va cao, va chat, va cham
xu ban » xuc ban, tu ban, vu ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach tham) or (sach thame)) hang xa hoi. hieu va chao xu ban thanh dieu cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach tham) OR (sach thame)) hang xa hoi. hieu va chao xu ban thanh dieu cua triet.
• Adding a wildcard symbol may retrieve word variants: toc ((sach tham) or (sach thame)) hang xa hoi. hieu va chao xu ban thanh dieu cua triet*.