Perhaps you should try some spelling variations:
luan cong » luat cong, luong cong, luan chung
may trinh » may tinh, lap trinh, quy trinh
vien hoa » vien khoa, tien hoa, kien hoa
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
cong may » cong xay, cong ma, cong hay
tu mach » tu cach, tu manh, tu hach

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach ((vien hoa) OR (dien hoa)) huyen đe ky thuat: kien thuc anh khoa luan cong may trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach ((vien hoa) OR (dien hoa)) huyen đe ky thuat: kien thuc anh khoa luan cong may trinh".
• Adding a wildcard symbol may retrieve word variants: tu mach ((vien hoa) OR (dien hoa)) huyen đe ky thuat: kien thuc anh khoa luan cong may trinh*.