Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nghe nam » nghe lam, nghiep nam, nghe nano
xac danh » xac dinh, tac danh, sach danh
danh bat » doanh bat, anh bai, dinh ba
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
thu xac » thau xay
bat cua » ban cua, mat cua, bai cua
ma hoi » mai hoi, xa hoi, ma hoa
he nam » ha nam

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 ma hoi. hieu ((he nam) or (nghe nam)) thu xac danh bat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang ma hoi. hieu ((he nam) OR (nghe nam)) thu xac danh bat cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang ma hoi. hieu ((he nam) or (nghe nam)) thu xac danh bat cua triet*.