Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran su hoc snippets" » "trang su hoc snippets", "tran si hoc snippets", "tran tu hoc snippets", "tran du hoc snippets", "tran so hoc 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: (((("tran su hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran su hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran su hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran su hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.