Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va trong » va truong, va thong, va tuong
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, mang xa, ang xa
nang ma » tang ma, sang ma, nang cao
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
doi cua » dai cua, hoi cua
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: so sach ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. hieu qua cam tuc va trong doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((((nang xa) OR (nang ma))) OR (nang x)) hoi. hieu qua cam tuc va trong doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. hieu qua cam tuc va trong doi cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. hieu qua cam tuc va trong doi cua triet*.