Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
duc van » duc va, duc tan, duc manh
te san » te ban, ke san, tu san
te cac » tu cac, ve cac, te cao
ve cao » va cao, ve bao, ve cac
pho su » pho tu, pho cu, phong su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te san) or (te cac)) ky nang xa hoi. hieu ve cao duc van thanh pho su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (te cac)) ky nang xa hoi. hieu ve cao duc van thanh pho su triet.
• Adding a wildcard symbol may retrieve word variants: ((te san) or (te cac)) ky nang xa hoi. hieu ve cao duc van thanh pho su triet*.