Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
trung hoc » trung quoc
thuc cach » thuoc sach, truoc cach, thuc hanh
thu sach » thuat sach, thuoc sach, thu hoach
cach hoa » cach hoan, cach hoc, bach hoa
dan cong » dang cong, van cong, dan dong
cong may » cong xay, cong ma, cong hay
may minh » may tinh, mai minh, van minh
tu sach » su sach, te sach, tu cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (tu sach)) trung hoc chuyen đe ky thuat: kien thuc cach hoa dan cong may minh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) trung hoc chuyen đe ky thuat: kien thuc cach hoa dan cong may minh.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) trung hoc chuyen đe ky thuat: kien thuc cach hoa dan cong may minh*.