Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ve chan snippets" » "lieu va chan snippets", "hieu ve chan snippets", "lieu de chan snippets", "lieu ve chang snippets", "lieu ve chuan snippets", "lieu ve chat 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 ve chan 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 ve chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ve chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ve chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.