Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duong ra di snippets" » "duong va di snippets", "duong ma di snippets", "duong ha di snippets", "duong pa di snippets", "duong da di 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: (((("duong ra di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong ra di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong ra di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong ra di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.