Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
cua viet » ca viet, hoa viet, cua vat
thuc ban » thuoc ban, thuc dan, thu ban
nang xa » nang x, lang xa, nang ma
doi cua » dai cua, hoi cua
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
sai ky » sac ky
te ban » te bao
te sai » te tai, te bai, te lai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang xa hoi. hieu ((ve cam) OR (ve cac)) ((thuc ban) OR (te ban)) thanh doi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang xa hoi. hieu ((ve cam) OR (ve cac)) ((thuc ban) or (te ban)) thanh doi cua viet~".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang xa hoi. hieu ((ve cam) OR (ve cac)) ((thuc ban) or (te ban)) thanh doi cua viet*.