Perhaps you should try some spelling variations:
chua tre » chua tri, cua tre, chua trieu
luat bat » luat dat, luat bao, luat dan
va chua » vua chua, ca chua, va chu
hanh va » hang va, hanh vi
duc ban » duc tan, duc van, dua ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
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 ((nang xa) OR (lang xa)) hoi. hieu ve cham ((luat bat) or (duc ban)) hanh va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (lang xa)) hoi. hieu ve cham ((luat bat) OR (duc ban)) hanh va chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((nang xa) OR (lang xa)) hoi. hieu ve cham ((luat bat) or (duc ban)) hanh va chua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) OR (lang xa)) hoi. hieu ve cham ((luat bat) or (duc ban)) hanh va chua tre*.