Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do gen cay snippets" » "do ten cay snippets", "do benh cay snippets", "do tren cay snippets", "doi gen cay snippets", "do ben cay 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: (((("do gen cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do gen cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do gen cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do gen cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.