Perhaps you should try some spelling variations:
phau xuong » phan xuong, khac xuong, phap vuong
sach sinh » sach kinh, sach danh, sach song
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa phau » hoa phan, khoa kham, khoa than
xuong may » cuong ma, xuong nau, duong ma
su sach » so sach, vu sach
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach sinh ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa phau xuong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach sinh ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa phau xuong may tinh".
• Adding a wildcard symbol may retrieve word variants: su sach sinh ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa phau xuong may tinh*.