Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang tao » hang tai
danh bat » doanh bat, anh bai, dinh ba
danh sai » dung sai, danh dau, hanh san
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
sang ma » tang ma, nang ma, mang may
hieu he » hieu ve, hiem he, hieu le
he nam » ha nam, nghe nam
thu xa » thu xac, thu ha, thu xe

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky ((sang ma) or (sang tao)) hoi. hieu he nam thu xa ((danh sai) OR (danh bat)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((sang ma) OR (sang tao)) hoi. hieu he nam thu xa ((danh sai) OR (danh bat)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky ((sang ma) or (sang tao)) hoi. hieu he nam thu xa ((danh sai) OR (danh bat)) cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((sang ma) or (sang tao)) hoi. hieu he nam thu xa ((danh sai) OR (danh bat)) cua triet*.