Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"paul van chu snippets" » "paul danh chu snippets", "cau van chu snippets", "mau van chu snippets", "paul van chi snippets", "paul van phu snippets", "paul van cau 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: (((("paul van chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("paul van chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( paul van chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("paul van chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.