Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song lan cho snippets" » "song lanh cho snippets", "song van cho snippets", "hong lan cho snippets", "song san cho snippets", "song han cho 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: (((("song lan 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: (((("song lan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song lan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song lan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.