Perhaps you should try some spelling variations:
diem cau » dieu can
tai lang » tai cong, thi lan, tai san
cao duc » dao duc, cao suc, giao duc
va dinh » van dinh, va kinh, va tinh
tu xach » tu hach, tu sach
lang xa » lang ha, dang xay, lang van
tu cach » tu cac
qua cao » qua cac, qua ca, qua cai
da cau » dat cau, va cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu xach) or (tu cach)) tai lang xa hoi. hieu qua cao duc va dinh ((diem cau) or (da cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu xach) OR (tu cach)) tai lang xa hoi. hieu qua cao duc va dinh ((diem cau) OR (da cau)) tren.
• Adding a wildcard symbol may retrieve word variants: ((tu xach) or (tu cach)) tai lang xa hoi. hieu qua cao duc va dinh ((diem cau) or (da cau)) tren*.