Perhaps you should try some spelling variations:
tien khong » tien phong, dien khong, tien chuong
sach tien » sach tren, sach thieu
hoach hoa » hoach ha, hoach hoi, hoach toan
hach toan » thanh toan, manh toan
tan cung » tan cuong, tan dung, ban cung
cung may » dung may, cong may, cung hay
te sach » toc sach
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: te sach tien khong chuyen đe ky thuat: kien thuc ((hoach hoa) OR (hach toan)) tan cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tien khong chuyen đe ky thuat: kien thuc ((hoach hoa) OR (hach toan)) tan cung may tinh".
• Adding a wildcard symbol may retrieve word variants: te sach tien khong chuyen đe ky thuat: kien thuc ((hoach hoa) OR (hach toan)) tan cung may tinh*.