Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son tre can snippets" » "son tren can snippets", "soc tre can snippets", "song tren can snippets", "son tre dan snippets", "son tiep can snippets", "son tiem can 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: (((("son tre can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son tre can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son tre can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son tre can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.