Perhaps you should try some spelling variations:
dung thangh » dung thanh, hung thang, cung thang
dung thang » hung thang, cung thang, dung thuong
hieu van » hieu va, thien van, hieu ve
nang xa » nang x, lang xa, nang ma
lam tuc » lam thuoc, lam truoc, luat tuc
cua tre » cua te, cuu tre, cua triet
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang xa hoi. ((hieu van) OR (lieu va)) lam tuc xa ((dung thang) or (dung thangh)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang xa hoi. ((hieu van) OR (lieu va)) lam tuc xa ((dung thang) OR (dung thangh)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky nang xa hoi. ((hieu van) OR (lieu va)) lam tuc xa ((dung thang) or (dung thangh)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su cac ky nang xa hoi. ((hieu van) OR (lieu va)) lam tuc xa ((dung thang) or (dung thangh)) cua tre*.