Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cac luat » cap luat, cac xuat, cac thuat
luat bat » luat dat, luat bao, luat dan
thanh di » thanh doi, thanh de, thanh dinh
thanh do » thanh de, thanh pho, thanh hoa
te sach » toc sach
y nang » ly nang, v nang, may nang

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) or (ky nang)) xa hoi. lieu va cac luat bat ((thanh di) OR (thanh do)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ky nang)) xa hoi. lieu va cac luat bat ((thanh di) OR (thanh do)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (ky nang)) xa hoi. lieu va cac luat bat ((thanh di) OR (thanh do)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ky nang)) xa hoi. lieu va cac luat bat ((thanh di) OR (thanh do)) cua triet*.