Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gia dat hieu snippets" » "gia dao hieu snippets", "gia dat tieu snippets", "gia rat nhieu snippets", "gian dat hieu snippets", "gia cat hieu snippets", "gia dau hieu snippets", "gia dat hieu slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("gia dat hieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia dat hieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia dat hieu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia dat hieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.