Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
lai cua » dai cua, hai cua, lai chau
cao duc » dao duc, cao suc, tao duoc
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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 y ((nang xa) or (nang ma)) hoi. lieu va ((cao duc) OR (giao duc)) ban thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (nang ma)) hoi. lieu va ((cao duc) OR (giao duc)) ban thanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang xa) or (nang ma)) hoi. lieu va ((cao duc) OR (giao duc)) ban thanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (nang ma)) hoi. lieu va ((cao duc) OR (giao duc)) ban thanh lai cua triet*.