Searched: A hexagon bolt with either M10x50 or M10x60
Hexagon head screw (M10x50 OR M10x60)
Hexagon head screw M10x50 OR Hexagon head screw M10x60
If you would omit the brackets in the first case, you would receive much more unclear results.
In English sometimes the term "bolt" and sometimes "screw" is used.
head cap (bolt OR screw)
Searched ISO 4762 or ISO 12474
ISO (4762 OR 12474)
Searched: Head cap bolt with strength class 10.9 or 12.9 (If the values for strength are found in the link database or in the characteristic attribute table doesn't matter.)
Cap screw (10.9 OR 12.9)
Searching for a part with two options in length
Hexagon head screw (L=380 OR L=400)