Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan kiem mo snippets" » "phan kien mo snippets", "phan mem mo snippets", "van kiem mo snippets", "phan kiem mon snippets", "phan kiem mot snippets", "phan niem moi 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: (((("phan kiem mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan kiem mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan kiem mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan kiem mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.