Perhaps you should try some spelling variations:
phan xuong » phan cong
hoc chuyen » khong chuyen
sach sinh » sach kinh, sach danh, sach song
thuc bach » truc bach, thuc cach, thuoc sach
xuong may » cuong ma, xuong nau, duong ma
bach mao » bach mai, bach giao, bach ha
mao phan » cao phan, mau phan, mach phan
tu sach » thu sach, su sach, te sach
tinh » trinh, minh

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 bach mao phan xuong may ((tinh OR kinh) or dinh)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach sinh hoc chuyen đe ky thuat: kien thuc bach mao phan xuong may ((tinh OR kinh) OR dinh).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach sinh hoc chuyen đe ky thuat: kien thuc bach mao phan xuong may ((tinh OR kinh) or dinh)".
• Adding a wildcard symbol may retrieve word variants: tu sach sinh hoc chuyen đe ky thuat: kien thuc bach mao phan xuong may ((tinh OR kinh) or dinh)*.