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
thuan cong » thuat cong, thuan phong, thuan trong
sach sinh » sach kinh, sach danh, sach song
sach khoa » bach khoa, sach nha, anh khoa
than cong » thanh cong, phan cong, thai cong
thu sach » tu sach, thuat sach, thu hoach

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) OR (thuan cong)) xac 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) OR (thuan cong)) xac dinh".
• Adding a wildcard symbol may retrieve word variants: thu sach sinh khong chuyen đe ky thuat: hien thuoc sach khoa ((than cong) OR (thuan cong)) xac dinh*.