Perhaps you should try some spelling variations:
kien thuoc » kien thuc, bien thuoc, trien thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
sach khoa » bach khoa, sach nha, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
phan cong » thanh cong
may trinh » may tinh, lap trinh, quy trinh
kinh hoc » sinh hoc, hinh hoc, tin hoc
tinh hoc » sinh hoc, tin hoc, hinh hoc
cong may » cong xay, cong ma, cong hay

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu hoach ((kinh hoc) OR (tinh hoc)) chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu hoach ((kinh hoc) OR (tinh hoc)) chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh".
• Adding a wildcard symbol may retrieve word variants: thu hoach ((kinh hoc) OR (tinh hoc)) chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh*.