Perhaps you should try some spelling variations:
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
cho nam » chon nam, pho nam, cho tam
chi nam » chi ngan
va hanh » van hanh, va thanh, va danh
thu va » thuc va, thue va, tu 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: ((tu sach) or (su sach)) ky nang xa hoi. hiem ((cho nam) OR (chi nam)) thu va hanh vi luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hiem ((cho nam) OR (chi nam)) thu va hanh vi luu tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) ky nang xa hoi. hiem ((cho nam) OR (chi nam)) thu va hanh vi luu tru".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. hiem ((cho nam) OR (chi nam)) thu va hanh vi luu tru*.