Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach
cac cua » cach cua, ca cua, tac cua
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
cac qua » cau qua, tac quan
y lang » o lang, _ lang, tay lang

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 cua) OR (cac qua)) ban hanh vai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ve ((cac cua) OR (cac qua)) ban hanh vai ((cua tre) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y lang xa hoi. hieu ve ((cac cua) OR (cac qua)) ban hanh vai ((cua tre) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu ve ((cac cua) OR (cac qua)) ban hanh vai ((cua tre) or (su triet))*.