Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
hanh lam » thanh lap, hanh va, dinh lam
sach ky » sac ky, sach y, sach ty
bac tuc » bac tu, bach tuoc, bac thua
van bac » van ban, van bao, van hac
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
su tien » su kien, su hien, tu tieng
tuc va » thuc va, truc va, tuc xa

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 lang xa hoi. hieu van bac tuc va ((hanh lam) OR (hanh kem)) ((cua triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang xa hoi. hieu van bac tuc va ((hanh lam) OR (hanh kem)) ((cua triet) OR (su tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky lang xa hoi. hieu van bac tuc va ((hanh lam) OR (hanh kem)) ((cua triet) or (su tien))".
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang xa hoi. hieu van bac tuc va ((hanh lam) OR (hanh kem)) ((cua triet) or (su tien))*.