Perhaps you should try some spelling variations:
tri nang » thi nang, tra nang, tri bang
te sach » toc sach
tuan vi » luan vi, quans vi, tuan tai
tu nang » tru nang, tu nong, tu nano
quan vi » quan li, quan tri, quan doi
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
xuc van » duc van, luc van, vuc van
va cao » va cac, va co, va dao
tru » truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((tu nang) or (tri nang)) xa hoi. hieu va cao xuc van ((tuan vi) OR (quan vi)) luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tri nang)) xa hoi. hieu va cao xuc van ((tuan vi) OR (quan vi)) luu tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu nang) or (tri nang)) xa hoi. hieu va cao xuc van ((tuan vi) OR (quan vi)) luu tru".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tri nang)) xa hoi. hieu va cao xuc van ((tuan vi) OR (quan vi)) luu tru*.