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