Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thanh va » thanh van, hanh va, thanh ha
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam tu, nam thuc, dam thuc
ma hoi » mai hoi, xa hoi, ma hoa
va cua » va chua, via cua, ca cua

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 ma hoi. hieu ve ((cam tuc) OR (cam xuc)) ban thanh va cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang ma hoi. hieu ve ((cam tuc) OR (cam xuc)) ban thanh va cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang ma hoi. hieu ve ((cam tuc) OR (cam xuc)) ban thanh va cua triet*.