Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
tan thanh » tran thanh, tang thanh, toan thanh
thu sach » thuat sach, thuoc sach, thu hoach
va triet » va thiet, va trien, ve triet
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
va cai » va bai, va dai, va cao
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: ((thu sach) OR (tu sach)) y nang xa hoi. lieu ((va cai) or (va cac)) duc tan thanh lai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) y nang xa hoi. lieu ((va cai) OR (va cac)) duc tan thanh lai va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) y nang xa hoi. lieu ((va cai) or (va cac)) duc tan thanh lai va triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) y nang xa hoi. lieu ((va cai) or (va cac)) duc tan thanh lai va triet*.