Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc doanh » thuc hanh, thuc dan, chuc danh
sach sinh » sach kinh, sach danh, sach song
doanh hoa » doanh khoa, doanh hoan, danh hoa
hoa thanh » hoan thanh, ha thanh, hoc thanh
tuan minh » tran minh, xuan minh, quang minh
tan minh » tran minh, van minh, tan binh
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach sinh hoc chuyen đe ky thuat: kien thuc doanh hoa thanh cong ((tan minh) OR (tuan minh))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach sinh hoc chuyen đe ky thuat: kien thuc doanh hoa thanh cong ((tan minh) OR (tuan minh))".
• Adding a wildcard symbol may retrieve word variants: tu sach sinh hoc chuyen đe ky thuat: kien thuc doanh hoa thanh cong ((tan minh) OR (tuan minh))*.