Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu he soi snippets" » "lieu che soi snippets", "lieu nhe soi snippets", "hieu he soi snippets", "lieu he moi snippets", "lieu he noi snippets", "lieu he so 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 he soi 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 he soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu he soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu he soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.