Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu mo cua snippets" » "lieu moc cua snippets", "lieu mao cua snippets", "lieu mot cua snippets", "lieu moi cua snippets", "lieu co cua snippets", "lieu ma 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 mo 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 mo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu mo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu mo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.