Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"soi nam duoc snippets" » "soi nam thuoc snippets", "soi da duoc snippets", "soi dat duoc snippets", "doi nam duoc snippets", "noi nam duoc snippets", "voi nam duoc snippets", "soi nam duoc 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: (((("soi nam duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soi nam duoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soi nam duoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soi nam duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.