Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc nghi que snippets" » "hoi nghi que snippets", "hoc nghe que snippets", "ho nghi que snippets", "hoc nghi le snippets", "hoc nghi tu 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 nghi que 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 nghi que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc nghi que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc nghi que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.