Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu dao doc snippets" » "lieu nano doc snippets", "lieu va doc snippets", "lieu tai doc snippets", "lieu dao duc snippets", "lieu dao do snippets", "lieu 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: (((("lieu dao 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: (((("lieu dao doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu dao doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu dao doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.