Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hoc chuyen » khong chuyen
kien thuoc » kien thuc, bien thuoc, trien thuoc
thuoc sach » hoc sach, nuoc sach, thuoc sinh
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
thu sach » tu sach, thu hoach, khau sach
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 sach) or (thuat sach)) sinh hoc chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) sinh hoc chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) sinh hoc chuyen đe ky thuat: kien thuoc sach khoa phan cong may trinh*.