Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"viet cho mat snippets" » "viec cho mat snippets", "viet co mat snippets", "viet theo mat snippets", "viet chop mat snippets", "viet cho mot snippets", "viet cho mau snippets", "viet cho mat 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: (((("python using java snippets") or ("viet cho mat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("viet cho mat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( viet cho mat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("viet cho mat snippets"))) or ("locating bug code snippets"))*.