Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
y lang » o lang, _ lang, tay lang
cac ly » cac le, cam ly, cap ly

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 ((cac ly) or (cac ky)) va hanh vai ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ve ((cac ly) OR (cac ky)) va hanh vai ((cua tre) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu ve ((cac ly) or (cac ky)) va hanh vai ((cua tre) or (va triet))*.