Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan bac he snippets" » "dan ba he snippets", "van bac he snippets", "dong bac he snippets", "dan bac ha snippets", "dan cac he snippets", "dan bac ho 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: (((("dan bac he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan bac he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan bac he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan bac he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.