Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, tuc cac
phan cong » thanh cong
kinh hoc » sinh hoc, hinh hoc, tinh hoc
cong may » cong xay, cong ma, cong hay
may minh » may tinh, mai minh, van minh
tu sach » thu sach, su sach, te sach
ha phan » hoa phan, hai phan, va phan

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) OR (thuc hanh)) ha phan cong may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach kinh hoc chuyen đe ky thuat: kien ((thuc cach) OR (thuc hanh)) ha phan cong may minh".
• Adding a wildcard symbol may retrieve word variants: tu sach kinh hoc chuyen đe ky thuat: kien ((thuc cach) OR (thuc hanh)) ha phan cong may minh*.