Perhaps you should try some spelling variations:
thu khanh » thi khanh, nhu khanh, thu thanh
khanh hoa » thanh hoa, hang hoa
tien hoc » tin hoc, tien hoa, tien hon
dien hoc » dien hoa, khien hoc, tin hoc
bien thu » bien thuc, bien phu, tien thu
hoa phan » hoa dan, co phan
phan ung » phan xuong, phan cong
su sach » so sach, vu sach
ung may » dung may, cung may, mang may
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 ((tien hoc) or (dien hoc)) chuyen đe ky thuat: bien thu khanh hoa phan ung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((tien hoc) OR (dien hoc)) chuyen đe ky thuat: bien thu khanh hoa phan ung may tinh.
• Adding a wildcard symbol may retrieve word variants: su sach ((tien hoc) or (dien hoc)) chuyen đe ky thuat: bien thu khanh hoa phan ung may tinh*.