Searched: A hexagon bolt with either M10x50 or M10x60
Sechskantschraube (M10x50 OR M10x60)
Sechskantschraube M10x50 OR Sechskantschraube 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.)
Zylinderschraube (10.9 OR 12.9)
Searching for a part with two options in length
Sechskantschraube (L=380 OR L=400)
Searching for a cheese head screw or a hexagon screw with thread proximate till head and at the same time an entry "HiHo" or "Hello" (in the link database).
(Zylinderschrauben mit Innenvielzahn) OR (Sechskantschraube Gewinde annähernd
bis Kopf) (HiHo OR Hello)