Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
tham thuc » nham thuc, pham thuc, tam thuc
thuc danh » thuc hanh, thuc dan, chuc danh
thanh hai » thanh phan, thanh hoa, thanh san
su triet » su viet, su tien, ve triet
sach ky » sach y, sach ty, sach kem
nang ma » tang ma, sang ma, nang cao
va tham » van tham, va cham, va thanh
sac ky » cac ky, sai ky
hai su » hai vu, lai su, hai so

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) or (sac ky)) nang ma hoa. lieu va tham thuc danh thanh hai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang ma hoa. lieu va tham thuc danh thanh hai su triet.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sac ky)) nang ma hoa. lieu va tham thuc danh thanh hai su triet*.