Perhaps you should try some spelling variations:
"coder or using frequency coding" » "coder or using frequency encoding" (Expand search), "coder or using frequency coupling" (Expand search), "coder or using frequency sounding" (Expand search), "coder or single frequency coding" (Expand search), "coder or feeding frequency coding" (Expand search), "coder or grazing frequency coding" (Expand search), "code or using frequency coding" (Expand search), "under or using frequency coding" (Expand search), "order or using frequency coding" (Expand search), "coder er using frequency coding" (Expand search), "coder boar using frequency coding" (Expand search), "coder air using frequency coding" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder or using frequency coding\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder or using frequency coding ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder or using frequency coding") OR ("api python python python programming"))*.