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