Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
quang hoi » quang huy, quan doi, quang tri
hieu van » hieu va, thien van, hieu ve
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
va quang » van quang, vu quang, va quan
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
chuc te » thuc te, chuc ke, chuc theo

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky nang xa hoi. ((hieu van) OR (lieu va)) cac nuoc va quang hoi chuc te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang xa hoi. ((hieu van) OR (lieu va)) cac nuoc va quang hoi chuc te".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang xa hoi. ((hieu van) OR (lieu va)) cac nuoc va quang hoi chuc te*.