Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
tu cach » tu cac
cuc ban » cua ban, cac ban, cuu ban
lai cua » dai cua, hai cua, lai chau
so sach » so sanh, bo sach, co sach
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
suc ban » suc ben, duc ban, suc bat
ve cao » va cao, ve bao, ve cac
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (so sach)) ky tang ma hoi. hieu ve cao ((suc ban) OR (cuc ban)) thanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (so sach)) ky tang ma hoi. hieu ve cao ((suc ban) OR (cuc ban)) thanh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (so sach)) ky tang ma hoi. hieu ve cao ((suc ban) OR (cuc ban)) thanh lai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (so sach)) ky tang ma hoi. hieu ve cao ((suc ban) OR (cuc ban)) thanh lai cua te*.