Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap han phe snippets" » "phap hoan phe snippets", "phap phan phe snippets", "phap nang phe snippets", "phap han che snippets", "phap han phien snippets", "phap hoang phe 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: (((("phap han 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: (((("phap han phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap han phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap han phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.