Perhaps you should try some spelling variations:
trien thuong » trien phuong, tin thuong, dien thuong
trien thuoc » trien thuc, tin thuoc, tri thuoc
hoa truyen » co truyen
sach dien » mach dien, sach tien, dich dien
sach khoa » bach khoa, sach nha, anh khoa
luan cong » luat cong, luong cong, luan chung
cong san » cong tac
san tinh » ban tinh, man tinh, son tinh
tu sach » thu sach, su sach, te sach

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 dien hoa truyen đe ky thuat: ((trien thuoc) OR (trien thuong)) sach khoa luan cong san tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach dien hoa truyen đe ky thuat: ((trien thuoc) OR (trien thuong)) sach khoa luan cong san tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach dien hoa truyen đe ky thuat: ((trien thuoc) OR (trien thuong)) sach khoa luan cong san tinh*.