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