Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi hoat che snippets" » "chi hoat che snippets", "thi hoa che snippets", "thi hoan che snippets", "phi thuat che snippets", "phi hoat chat snippets", "phi han che 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 che 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 che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi hoat che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hoat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.