Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu su cua snippets" » "lieu suu cua snippets", "lieu suy cua snippets", "lieu sau cua snippets", "lieu hu cua snippets", "lieu tu cua snippets", "lieu vu cua 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 su cua 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 su cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu su cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu su cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.