Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
sach tranh » canh tranh
hoc chuyen » khong chuyen
thuoc bach » thuoc sach, thuoc ban, truc bach
tranh hoc » thanh hoc, tranh cuoc, tranh duoc
bach khoa » anh khoa
phan dung » phan ung, phan dang, phan dong
chan dung » van dung, dan dung
may trinh » may tinh, lap trinh, quy trinh
vu sach » vu bach, su sach, vu khach

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach tranh hoc chuyen đe ky thuat: trien thuoc bach khoa ((phan dung) OR (chan dung)) may trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach tranh hoc chuyen đe ky thuat: trien thuoc bach khoa ((phan dung) OR (chan dung)) may trinh".
• Adding a wildcard symbol may retrieve word variants: vu sach tranh hoc chuyen đe ky thuat: trien thuoc bach khoa ((phan dung) OR (chan dung)) may trinh*.