Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"biet nan dan snippets" » "biet nam dan snippets", "biet nhat dan snippets", "viet nang dan snippets", "biet nhan dan snippets", "biet nang dan snippets", "biet ban dan snippets", "biet nan dan 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: (((("biet nan dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("biet nan dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet nan dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet nan dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.