Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
truoc cach » cuoc cach, truoc cang
than thong » than thuong, toan thong, tran thong
sach sinh » sach kinh, sach danh, sach song
thuc cach » thuoc sach, thuc hanh, tuc cac
khoa than » khoa luan, hoa thai, hoa tan
thong may » thong xay, thong mang, thong va
su sach » so sach, vu sach
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach sinh hoc chuyen đe ky thuat: kien ((truoc cach) OR (thuc cach)) khoa than thong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach sinh hoc chuyen đe ky thuat: kien ((truoc cach) OR (thuc cach)) khoa than thong may tinh".
• Adding a wildcard symbol may retrieve word variants: su sach sinh hoc chuyen đe ky thuat: kien ((truoc cach) OR (thuc cach)) khoa than thong may tinh*.