Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va truyen » hoa truyen, co truyen, di truyen
danh vai » danh sai, danh va, doanh van
va trien » va thiet, va tuyen, va tieng
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
cao thu » cao thi, cac thu, ca thu
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
thu va » thuc va, thue va, tu va
va cao » va cac, va co, va dao
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 ky nang x hoi. hieu va cao thu va danh vai ((cua triet) or (((va trien) OR (va truyen))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang x hoi. hieu va cao thu va danh vai ((cua triet) OR (((va trien) OR (va truyen)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang x hoi. hieu va cao thu va danh vai ((cua triet) or (((va trien) OR (va truyen))))".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu va cao thu va danh vai ((cua triet) or (((va trien) OR (va truyen))))*.