Perhaps you should try some spelling variations:
luan chung » luan chinh
chung may » cung may, chung ta, chung nam
tien hoc » tin hoc, dien hoc, tien hon
tien hoa » dien hoa, trien hoat, tien va
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
may minh » may tinh, mai minh, van minh
su sach » so sach, vu sach

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 (tien hoa)) chuyen đe ky thuat: kien thuc anh khoa luan chung may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((tien hoc) OR (tien hoa)) chuyen đe ky thuat: kien thuc anh khoa luan chung may minh".
• Adding a wildcard symbol may retrieve word variants: su sach ((tien hoc) OR (tien hoa)) chuyen đe ky thuat: kien thuc anh khoa luan chung may minh*.