Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc cua moi snippets" » "hoc cua moi snippets", "thuc va moi snippets", "thuc cua mot snippets", "thuc cua hoi 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: (((("thuc cua 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: (((("thuc cua moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc cua moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc cua moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.