Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi pho hoc snippets" » "phi phi hoc snippets", "phi phan hoc snippets", "phi phoi hoc snippets", "phi cho hoc snippets", "phi pho ho 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 pho hoc 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 pho hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi pho hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi pho hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.