Perhaps you should try some spelling variations:
kien thuoc » kien thuc, bien thuoc, trien thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
va chuyen » van chuyen, cau chuyen, va truyen
phan dung » phan ung, phan dang, chan dung
vu khach » vu khanh, vu khac, vay khach
sach cac » sach cap, sach bac, sach dao
cac phan » cac nhan, cao phan, cap phan
dung may » dung va, dung tai, mang may
vu sach » vu bach, su sach
tien va » dien va, thien van
tinh » trinh, dinh, minh

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) or (vu khach)) tien va chuyen đe ky thuat: kien thuoc sach cac phan dung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khach)) tien va chuyen đe ky thuat: kien thuoc sach cac phan dung may tinh.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu khach)) tien va chuyen đe ky thuat: kien thuoc sach cac phan dung may tinh*.