Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
hieu van » hieu va, thien van, lieu va
tai cua » thai cua, tai cuc, tri cua
xua ban » xuat ban, cua ban, qua ban
nam xua » nam cua, nam mua, nam qua
tu sach » su sach, te sach, tu cach
ky lang » ky nang, ky dang, ky tang
so sanh » do sanh
lang xa » lang ha, dang xay, lang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sach) or (so sanh))) or (thu sach)) ky lang xa hoi. hieu van nam xua ban thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (so sanh))) OR (thu sach)) ky lang xa hoi. hieu van nam xua ban thanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (so sanh))) or (thu sach)) ky lang xa hoi. hieu van nam xua ban thanh tai cua triet*.