Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soat nam cao snippets" » "hoat nam cao snippets", "soat tam cao snippets", "soat giam cao snippets", "soat nam sao snippets", "soat nam giao 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: (((("soat nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soat nam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soat nam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soat nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.