Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc sang chi snippets" » "lam sang chi snippets", "luc canh chi snippets", "duy sang chi snippets", "luc san chi snippets", "luc sang cho snippets", "luc sang che 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 chi 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 chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc sang chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc sang chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.