Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"paul van cau snippets" » "paul danh cau snippets", "cau van cau snippets", "mau van cau snippets", "paul van dau snippets", "paul van hau snippets", "paul van chat 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 cau 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 cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( paul van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("paul van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.