Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"roi nuoc dat snippets" » "ruou nuoc dat snippets", "hoc nuoc dat snippets", "li nuoc dat snippets", "roi nuoc mat snippets", "roi duoc dat snippets", "roi nuoc dan snippets", "roi nuoc dat 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: (((("roi nuoc dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("roi nuoc dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( roi nuoc dat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("roi nuoc dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.