Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan ven mong snippets" » "dan nen mong snippets", "dan ven song snippets", "dan den muong snippets", "dan vien mong snippets", "dan den mong snippets", "dan ve mong 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: (((("dan ven mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ven mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan ven mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ven mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.