Perhaps you should try some spelling variations:
lam truong » lap truong, cac truong, xa truong
hieu van » hieu va, thien van, lieu va
nang xa » nang x, lang xa, nang ma
van lam » van nam
va nhan » van nhan, va phan, va nha
su viet » so viet
te san » te ban, tu san, ta san
ke san » ke dan

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 (ke san)) ky nang xa hoi. hieu van lam truong ((va nhan) or (ca nhan)) lai su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (ke san)) ky nang xa hoi. hieu van lam truong ((va nhan) OR (ca nhan)) lai su viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te san) OR (ke san)) ky nang xa hoi. hieu van lam truong ((va nhan) or (ca nhan)) lai su viet".
• Adding a wildcard symbol may retrieve word variants: ((te san) OR (ke san)) ky nang xa hoi. hieu van lam truong ((va nhan) or (ca nhan)) lai su viet*.