Perhaps you should try some spelling variations:
dang xay » dang van, van xay
van tuan » van ban, anh tuan
van quan » van ban
va hanh » van hanh, va thanh, va danh
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
luu tre » cuu tre, luy tre
te sac » te sach, te cac, te san
soc va » hoc va, loc va, doc va
sac ky » cac ky, sai ky
tru » truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang xay hoi. hieu ((van tuan) or (van quan)) soc va hanh vi ((luu tre) or (luu tru))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang xay hoi. hieu ((van tuan) OR (van quan)) soc va hanh vi ((luu tre) OR (luu tru)).
• Adding a wildcard symbol may retrieve word variants: te sac ky dang xay hoi. hieu ((van tuan) or (van quan)) soc va hanh vi ((luu tre) or (luu tru))*.