Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chai cuc » chi cuc, tai cuc, thi cuc
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hai cuc » tai cuc, hai cua, thai cua
cua tre » cua te, cuu tre, dua tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky lang xa hoi. lieu va ((chai cuc) OR (hai cuc)) gia thanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky lang xa hoi. lieu va ((chai cuc) OR (hai cuc)) gia thanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky lang xa hoi. lieu va ((chai cuc) OR (hai cuc)) gia thanh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: so sach ky lang xa hoi. lieu va ((chai cuc) OR (hai cuc)) gia thanh vi ((cua tre) or (cua triet))*.