Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
hoc chuyen » khong chuyen
thuoc sach » hoc sach, nuoc sach, thuat sach
sach khoa » bach khoa, sach nha, anh khoa
phau dung » pham dung, phan ung, chan dung
phan dung » phan ung, phan dang, chan dung
dung hoc » dong hoc, dung thuoc, trung hoc
tai tinh » thai tinh, tai dinh, tai sinh
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 dung hoc chuyen đe ky thuat: trien thuoc sach khoa ((phau dung) OR (phan dung)) tai tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach dung hoc chuyen đe ky thuat: trien thuoc sach khoa ((phau dung) OR (phan dung)) tai tinh*".