Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi tan cher snippets" » "phi han che snippets", "phi ban cheo snippets", "phi yan chen snippets", "phi san cher snippets", "phi tai cher snippets", "phi van cher 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 tan cher 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 tan cher snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi tan cher snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi tan cher snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.