Perhaps you should try some spelling variations:
hanh than » hanh han, hanh nhan, hanh phan
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
than cua » nhan cua, thai cua, ban cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky song » k song, ky cong, ky trong
song xa » song cua
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky song xa hoi. ((hieu ve) or (hieu qua)) cam xuc van hanh than cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky song xa hoi. ((hieu ve) OR (hieu qua)) cam xuc van hanh than cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky song xa hoi. ((hieu ve) or (hieu qua)) cam xuc van hanh than cua triet*.