Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song thu cac snippets" » "song nhu cac snippets", "hong thu cac snippets", "song phu cac snippets", "song tu cac snippets", "song thu xac snippets", "song thu cuc 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 thu cac 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 thu cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song thu cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song thu cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.