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