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