Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
ky tang » ky nang, kho tang, ky trong
vai cua » dai cua, hai cua, lai cua
ky dang » ky nang, ky danh
dan hoi » dan hoc, dai hoi, van hoi
tu sac » tu sach, tu cac, tu san
luc va » tuc va, loc va
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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 tang) OR (ky dang)) dan hoi. hieu ve cam ((luc va) or (duc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky tang) OR (ky dang)) dan hoi. hieu ve cam ((luc va) OR (duc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky tang) OR (ky dang)) dan hoi. hieu ve cam ((luc va) or (duc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky tang) OR (ky dang)) dan hoi. hieu ve cam ((luc va) or (duc va)) hanh vai cua te*.