Perhaps you should try some spelling variations:
sinh khong » tinh khong, sinh phong, thinh khong
hien thuoc » bien thuoc, hien thuc, hieu thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
sach sinh » sach kinh, sach danh, sach song
sach khoa » bach khoa, sach nha, anh khoa
khoa than » khoa luan, hoa thai, hoa tan
thu sach » tu sach, thuat sach, thu hoach
cong xac » cong tac, cong cac, cong dac
cong xay » thong xay, trong xay, cong ty

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 sinh khong chuyen đe ky thuat: hien thuoc sach khoa than ((cong xac) OR (cong xay)) dinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach sinh khong chuyen đe ky thuat: hien thuoc sach khoa than ((cong xac) OR (cong xay)) dinh".
• Adding a wildcard symbol may retrieve word variants: thu sach sinh khong chuyen đe ky thuat: hien thuoc sach khoa than ((cong xac) OR (cong xay)) dinh*.