Perhaps you should try some spelling variations:
khang chan » khang chien, quang chan
ban khang » ban hang, van khang, tan khang
chan cua » nhan cua, chat cua, than cua
dang cay » dang ca, dang cac, dung cay
dang xay » dang van, van xay
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
sac ky » cac ky, sai ky
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 ((dang cay) or (dang xay)) phoi. hieu ((ve cam) or (va cam)) xuc ban khang chan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang cay) OR (dang xay)) phoi. hieu ((ve cam) OR (va cam)) xuc ban khang chan cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang cay) or (dang xay)) phoi. hieu ((ve cam) or (va cam)) xuc ban khang chan cua tre*.