Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
hoa chuyen » khoa chuyen, hoc chuyen, hoa huyen
thuoc bach » thuoc sach, thuoc ban, truc bach
sach theu » sach thieu, sach thu, sach tham
tran cong » tran hong, trien cong, tran hoang
may trinh » may tinh, lap trinh, quy trinh
theu hoa » tieu hoa, tien hoa, thi hoa
bach hoa » bach khoa, bach ha, cach hoan
tan cong » tan cuong, toan cong, van cong
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 theu hoa chuyen đe ky thuat: trien thuoc bach hoa ((tan cong) OR (tran cong)) may trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach theu hoa chuyen đe ky thuat: trien thuoc bach hoa ((tan cong) OR (tran cong)) may trinh*".