Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"biet mat dan snippets" » "biet nhat dan snippets", "tiet may dan snippets", "bi mat dan snippets", "biet hat dan snippets", "biet luat dan snippets", "biet mat bang snippets", "biet mat dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("biet mat 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 mat dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet mat dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet mat dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.