Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc ban so snippets" » "duc ban so snippets", "quoc ban so snippets", "buoc ban so snippets", "duoc ban co snippets", "duoc ban do snippets", "duoc 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: (((("duoc 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: (((("duoc ban so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc ban so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc ban so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.