Perhaps you should try some spelling variations:
sach trung » mach trung, sach thuong, sach dung
hoc chuyen » khong chuyen
trung hoc » trung quoc
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
khoa than » khoa luan, hoa thai, hoa tan
than cong » thanh cong, thuan cong, phan cong
may trinh » may tinh, lap trinh, tao trinh
quy trinh » qua trinh, quy dinh
thu sach » tu sach, thuat sach, thuoc sach

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 trung hoc chuyen đe ky thuat: kien thuc hang khoa than cong ((may trinh) or (quy trinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach trung hoc chuyen đe ky thuat: kien thuc hang khoa than cong ((may trinh) OR (quy trinh)).
• Adding a wildcard symbol may retrieve word variants: thu sach trung hoc chuyen đe ky thuat: kien thuc hang khoa than cong ((may trinh) or (quy trinh))*.