Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu nhat cat snippets" » "thu nhap cat snippets", "thu thuat cat snippets", "thu ha cat snippets", "thu nhan chat snippets", "thu nha cao 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: (((("thu nhat cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu nhat cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu nhat cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu nhat cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.