Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan nang o2 snippets" » "phap nang o2 snippets", "phan dang o2 snippets", "phan cang o2 snippets", "phan hang o2 snippets", "phan nang doc snippets", "phan nang hoc 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 nang o2 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 nang o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan nang o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan nang o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.