Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
luc ban » duc ban, luc bat, xuc ban
luc van » luoc van, luu van, duc 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, va cam
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 ((((luc ban) OR (luc van))) 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 ((((luc ban) OR (luc van))) 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 ((((luc ban) OR (luc van))) or (cuc ban)) hanh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. hieu ve cam ((((luc ban) OR (luc van))) or (cuc ban)) hanh va cuu tre*.