Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
va triet » va thiet, va trien, ve triet
va thanh » gia thanh, ban thanh, va tinh
cam luc » cam xuc, cau luc
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
tu nong » tu dong, tu cong, tu tong
tu nang » tru nang, tu nano, tu lang
luc va » duc va, tuc va, loc va
lai va » loai va, mai va, dai 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 ((tu nang) OR (tu nong)) xa hoi. ((hieu ve) or (hieu qua)) cam luc va thanh lai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tu nang) OR (tu nong)) xa hoi. ((hieu ve) OR (hieu qua)) cam luc va thanh lai va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tu nang) OR (tu nong)) xa hoi. ((hieu ve) or (hieu qua)) cam luc va thanh lai va triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tu nang) OR (tu nong)) xa hoi. ((hieu ve) or (hieu qua)) cam luc va thanh lai va triet*.