Perhaps you should try some spelling variations:
ban hanh » ban hang
lang ha » long ha
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
lang xa » dang xay, lang van
sac ky » cac ky, sai ky
va cam » va cham, va cao, va cai
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((lang xa) or (lang ha)) hoi. lieu ((va cam) OR (va cac)) xuc ban hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (lang ha)) hoi. lieu ((va cam) OR (va cac)) xuc ban hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) or (lang ha)) hoi. lieu ((va cam) OR (va cac)) xuc ban hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (lang ha)) hoi. lieu ((va cam) OR (va cac)) xuc ban hanh vi cua tre*.