Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"manh day doc snippets" » "manh xay doc snippets", "manh duy doc snippets", "lanh dao doc snippets", "manh day hoc snippets", "manh dat doc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("manh day doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh day doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh day doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh day doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.