Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao lam long snippets" » "dao lam dong snippets", "dao lam nong snippets", "dao lai long snippets", "da lam long snippets", "dao nam long snippets", "dat lam long 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: (((("dao lam long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao lam long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao lam long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao lam long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.