Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh bat » doanh bat, anh bai, dinh ba
xac danh » xac dinh, tac danh, sach danh
bat cua » ban cua, mat cua, bai cua
thu xac » thau xay
hieu he » hieu ve, hiem he, hieu le
sach ky » sac ky, sach ty, sach kem
tang ma » tang van
he nam » ha nam, nghe 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) or (sach y)) ((tang ma) OR (mang may)) hoi. hieu he nam thu xac danh bat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) ((tang ma) OR (mang may)) hoi. hieu he nam thu xac danh bat cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) ((tang ma) OR (mang may)) hoi. hieu he nam thu xac danh bat cua triet*".