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