Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao lam mot snippets" » "da lam mot snippets", "dao nam mot snippets", "dat lam mot snippets", "dao la mot snippets", "dao lac mot snippets", "dao lam mat 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 mot 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 mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao lam mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao lam mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.