Perhaps you should try some spelling variations:
va trien » va truyen, va tuyen, va tieng
ban hanh » ban hang
va triet » ve triet, cua triet, va viet
hanh lam » thanh lap, hanh kem, hanh va
van chat » cao chat
chat huu » pham huu
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
thi van » thi lan, thi hanh, thi nang
ty nang » ky nang, ty xang, ty hang
huu ban » huu bang, huu han, cuu ban
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. thi van chat huu ban hanh lam ((((va triet) or (va thiet))) or (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang x hoi. thi van chat huu ban hanh lam ((((va triet) OR (va thiet))) OR (va trien)).
• Adding a wildcard symbol may retrieve word variants: so sach ty nang x hoi. thi van chat huu ban hanh lam ((((va triet) or (va thiet))) or (va trien))*.