Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cao duc » dao duc, cao suc, giao duc
nang xa » nang x, lang xa, nang ma
danh di » danh du, danh dien, danh gia
xanh di » vanh dai, xanh tai
sach 2 » sach y
sach v » sach va, sach y, sach vay
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach v) OR (sach 2)) nang xa hoi. lieu va cao duc va ((danh di) or (xanh di)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach v) OR (sach 2)) nang xa hoi. lieu va cao duc va ((danh di) OR (xanh di)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach v) OR (sach 2)) nang xa hoi. lieu va cao duc va ((danh di) or (xanh di)) cua triet".
• Adding a wildcard symbol may retrieve word variants: toc ((sach v) OR (sach 2)) nang xa hoi. lieu va cao duc va ((danh di) or (xanh di)) cua triet*.