Perhaps you should try some spelling variations:
phan xuong » phan cong
hoc chuyen » khong chuyen
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phan » hoa phan, khoa than, khoa phau
sach tin » sach tien, sach kinh, sach tren
may minh » mai minh, van minh, cao minh
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
thuc » thu
tinh » trinh, dinh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tin hoc chuyen đe ky thuat: kien thuc hanh khoa phan xuong ((may minh) or (may tinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tin hoc chuyen đe ky thuat: kien thuc hanh khoa phan xuong ((may minh) OR (may tinh)).
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien thuc hanh khoa phan xuong ((may minh) or (may tinh))*.