Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
thanh tap » thanh tai, thanh tay, thanh tam
cao xuc » cam xuc, cao duc, cao suc
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
dang ha » dong ha, dung ha, lang ha
dang xa » dang xay, lang xa, dang va
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: tu sach ky ((dang xa) OR (dang ha)) hoi. hieu va cao xuc ban ((thanh tap) or (thanh lap)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((dang xa) OR (dang ha)) hoi. hieu va cao xuc ban ((thanh tap) OR (thanh lap)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((dang xa) OR (dang ha)) hoi. hieu va cao xuc ban ((thanh tap) or (thanh lap)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((dang xa) OR (dang ha)) hoi. hieu va cao xuc ban ((thanh tap) or (thanh lap)) cua triet*.