Perhaps you should try some spelling variations:
luat bat » luat dat, luat bao, luat dan
chua tre » chua tri, cua tre, chua trieu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc ban » duc tan, duc van, dua ban
hanh va » hang va
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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 hoi. hieu ve cham ((luat bat) or (duc ban)) ((hanh va) OR (hanh vi)) chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ve cham ((luat bat) OR (duc ban)) ((hanh va) OR (hanh vi)) chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ve cham ((luat bat) or (duc ban)) ((hanh va) OR (hanh vi)) chua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ve cham ((luat bat) or (duc ban)) ((hanh va) OR (hanh vi)) chua tre*.