Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cap luat » dap luat, phap luat, cua luat
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
luat van » luan van, luat dan, luat va
thu sach » tu sach, thuat sach, thuoc sach
hieu va » lieu va, hieu qua
22 lang » 22 thang
lai cua » dai cua, hai cua, lai chau
o lang » hoa lang, hoi lang
va cap » va cac, va dap, va cao
2 lang » _ lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((((2 lang) OR (22 lang))) or (o lang)) xa hoi. hieu va cap luat van hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((((2 lang) OR (22 lang))) OR (o lang)) xa hoi. hieu va cap luat van hanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((((2 lang) OR (22 lang))) or (o lang)) xa hoi. hieu va cap luat van hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ((((2 lang) OR (22 lang))) or (o lang)) xa hoi. hieu va cap luat van hanh lai cua triet*.