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