Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
bat thanh » bac thanh, dat thanh, ba thanh
cua triet » cua viet, su triet, va triet
cac luat » cap luat, cac xuat, cac thuat
te sach » toc sach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua

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 y nang xa hoi. lieu va cac luat ((bat thanh) OR (ban thanh)) di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. lieu va cac luat ((bat thanh) OR (ban thanh)) di cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. lieu va cac luat ((bat thanh) OR (ban thanh)) di cua triet*.