Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac don song snippets" » "cac dong song snippets", "cac doi song snippets", "cac con song snippets", "cac dan song snippets", "cac mon song snippets", "cac doanh song 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: (((("cac don song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac don song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac don song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac don song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.