Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van hau » van ha, van hai, van hao
van hac » van hoc, van ha, van hai
van dau » van dao, phan dau
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi luu » vi lua
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 ky nang xa hoi. hieu ((((van hau) OR (van hac))) or (van dau)) xuc va hanh vi luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((((van hau) OR (van hac))) OR (van dau)) xuc va hanh vi luu tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((((van hau) OR (van hac))) or (van dau)) xuc va hanh vi luu tru".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((((van hau) OR (van hac))) or (van dau)) xuc va hanh vi luu tru*.