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