Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre chan cho snippets" » "te chan cho snippets", "tre can cho snippets", "trai chan cho snippets", "tre chat cho snippets", "tre han cho snippets", "tre chuan chon 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: (((("tre chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre chan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre chan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.