Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam truc » cau truc, nam truc, lam truoc
truc van » truc va, thuc van, truc ban
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
y lang » tay lang, yen lang
o lang » hoa lang, hoi lang
_ lang » _ land
ve cam » ve cham, ve cac, va cam

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

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