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