Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
dan bac » dan ba, van bac, dong bac
lai cua » dai cua, hai cua, lai chau

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 ty) OR (sach y)) nang xa hoi. hieu ((dan bac) or (van ban)) day va thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu ((dan bac) OR (van ban)) day va thanh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach y)) nang xa hoi. hieu ((dan bac) or (van ban)) day va thanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach y)) nang xa hoi. hieu ((dan bac) or (van ban)) day va thanh lai cua triet*.