Perhaps you should try some spelling variations:
quy trinh » qua trinh, quy dinh
phau dung » pham dung, phan dung, phan ung
khoa phau » hoa phan, khoa kham, khoa than
kien phuc » kien thuc, bien phuc, thien phuc
cac khoa » cac khoan, cac khoi, dac khoa
dung quy » cung quy, dung qua, nhung quy
tien hoa » dien hoa, tien va
phuc cac » phuc cam, phuc ca, phuc cham
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((trien hoat) OR (tien hoa)) huyen đe ky thuat: kien phuc cac khoa phau dung quy trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((trien hoat) OR (tien hoa)) huyen đe ky thuat: kien phuc cac khoa phau dung quy trinh".
• Adding a wildcard symbol may retrieve word variants: te sach ((trien hoat) OR (tien hoa)) huyen đe ky thuat: kien phuc cac khoa phau dung quy trinh*.