Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho cua song snippets" » "cho cua cong snippets", "cho qua song snippets", "cho cua dong snippets", "cheo cua song snippets", "co cua song snippets", "chi cua 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: (((("cho cua 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: (((("cho cua song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho cua song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cua song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.