Perhaps you should try some spelling variations:
luc ban » duc ban, luc bat, luc van
cuc ban » cua ban, cac ban, cuu ban
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
va cuu » va cau, va chu, va huu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang x hoi. hieu ((ve cam) OR (va cam)) ((luc ban) or (cuc ban)) hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang x hoi. hieu ((ve cam) OR (va cam)) ((luc ban) OR (cuc ban)) hanh va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang x hoi. hieu ((ve cam) OR (va cam)) ((luc ban) or (cuc ban)) hanh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. hieu ((ve cam) OR (va cam)) ((luc ban) or (cuc ban)) hanh va cuu tre*.