Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phap co snippets" » "hoc phan co snippets", "hoc phat co snippets", "hoc pho co snippets", "hoc phap cho snippets", "hoc phap coc snippets", "hoc phap mo 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: (((("hoc phap co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phap co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phap co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phap co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.