Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"hoc qua code snippets" » "hoc qua cong snippets", "hoc qua co snippets", "hoc qua con snippets", "hoc quan code snippets", "hoc cua code snippets", "hoc quy code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc qua code snippets") or ("python using data snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc qua code snippets") OR ("python using data snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( hoc qua code snippets ) or ( python using data snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc qua code snippets") or ("python using data snippets"))) or ("locating bug code slippers"))*.