Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
phan cong » thanh cong
kinh hoc » sinh hoc, hinh hoc, tinh hoc
cach hoa » cach hoan, cach hoc, bach hoa
hoa phan » hoa dan, co phan
may minh » may tinh, van minh, cao minh
mai minh » mai dinh, chi minh, van minh
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 kinh hoc chuyen đe ky thuat: kien thuc cach hoa phan cong ((may minh) or (mai minh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach kinh hoc chuyen đe ky thuat: kien thuc cach hoa phan cong ((may minh) OR (mai minh)).
• Adding a wildcard symbol may retrieve word variants: tu sach kinh hoc chuyen đe ky thuat: kien thuc cach hoa phan cong ((may minh) or (mai minh))*.