Perhaps you should try some spelling variations:
danh vi » hanh vi, dinh vi, danh di
may hoi » may thoi, tay hoi, mai hoi
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, xac va
sac ky » cac ky, sai ky
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) or (sach y)) mang may hoi. hieu ve cam ((xuc va) or (luc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sach y)) mang may hoi. hieu ve cam ((xuc va) OR (luc va)) danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sach y)) mang may hoi. hieu ve cam ((xuc va) or (luc va)) danh vi cua te*.