Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trao do he snippets" » "trao doi he snippets", "trao ho he snippets", "thao dao he snippets", "trao do ke snippets", "trao do le snippets", "trao do ve 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: (((("trao do he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trao do he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trao do he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trao do he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.