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