Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh dai » trinh dai, tinh da, tinh hai
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
va tinh » may tinh
y lang » o lang, _ lang, tay lang
am hoc » ad hoc
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y lang xa hoi. hieu ve am hoc va tinh dai cua triet~.
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu ve am hoc va tinh dai cua triet*.