Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
thanh vi » thanh ve, nhanh vi, thanh vo
thanh va » thanh van, hanh va, thanh ha
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va nham » va cham, va tham, va nha
thuc va » thuc vat, thuc dan, thuc day

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. lieu va nham thuc va ((((thanh vi) OR (thanh va))) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. lieu va nham thuc va ((((thanh vi) OR (thanh va))) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu va nham thuc va ((((thanh vi) OR (thanh va))) or (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu va nham thuc va ((((thanh vi) OR (thanh va))) or (hanh vi)) cua triet*.