Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gio hieu lon snippets" » "gia hieu lon snippets", "gioi thieu lon snippets", "gian hieu lon snippets", "gio lieu lon snippets", "gio hieu loi snippets", "gio hieu buon 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: (((("gio hieu lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gio hieu lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gio hieu lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gio hieu lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.