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