Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
va triet » va thiet, va trien, ve triet
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va chat » van chat, cao chat, hoa chat
xuc va » duc va, tuc va, luc va
vi va » vi van, vai va, vu 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) OR (va phat)) xuc va danh 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) OR (va phat)) xuc va danh 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) OR (va phat)) xuc va danh vi va triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat san)) ky nang xa hoi. hieu ((va chat) OR (va phat)) xuc va danh vi va triet*.