Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
va triet » va thiet, va trien, ve triet
chat xuc » chat huu, cam xuc, chao xu
danh vi » dinh vi, danh di, danh va
te sach » toc sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
xuc va » duc va, tuc va, luc va

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) or (thuat san)) ky nang xa hoi. hieu va chat xuc va ((danh vi) OR (hanh vi)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat san)) ky nang xa hoi. hieu va chat xuc va ((danh vi) OR (hanh vi)) va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuat san)) ky nang xa hoi. hieu va chat xuc va ((danh vi) OR (hanh vi)) va triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat san)) ky nang xa hoi. hieu va chat xuc va ((danh vi) OR (hanh vi)) va triet*.