Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
thu bang » thu ban, thu hang, chu bang
va thanh » gia thanh, ban thanh, va tinh
thi nang » thi cong, ki nang, thi hanh
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
hieu ve » hieu van
xu va » xu van, tu va, su va

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 ((thu bang) or (thi nang)) xa hoi. ((hieu ve) OR (hieu va)) chao xu va thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thu bang) OR (thi nang)) xa hoi. ((hieu ve) OR (hieu va)) chao xu va thanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu bang) or (thi nang)) xa hoi. ((hieu ve) OR (hieu va)) chao xu va thanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu bang) or (thi nang)) xa hoi. ((hieu ve) OR (hieu va)) chao xu va thanh dai cua triet*.