Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc sang ca snippets" » "lam sang ca snippets", "luc canh ca snippets", "duy sang ca snippets", "luc sang cua snippets", "luc hang ca snippets", "luc sang ma 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: (((("luc sang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc sang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc sang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc sang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.