Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
phap lap » phan lap, phap lam, phap luat
cac xuc » cam xuc, cac nuoc, chat xuc
va phap » va phat, ban phap
su sach » vu sach
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) ky lang xa hoi. hieu ve cac xuc va phap lap ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky lang xa hoi. hieu ve cac xuc va phap lap ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky lang xa hoi. hieu ve cac xuc va phap lap ((cua triet) or (va triet))*.