Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van phan phe snippets" » "van phong phe snippets", "van thanh phe snippets", "luan phan phe snippets", "van phan che snippets", "van phan phoi snippets", "van phan phat snippets"
"locating bug code snippets" » "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: (((("van phan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van phan phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van phan phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van phan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.