Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha ban so snippets" » "pha san so snippets", "pha tan so snippets", "nhat ban so snippets", "pha ban co snippets", "pha ban do snippets", "pha ban bo 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: (((("pha ban so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha ban so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha ban so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha ban so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.