Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat ban voi snippets" » "nhat ban voi snippets", "chat ran voi snippets", "cua ban voi snippets", "chat ban moi snippets", "chat ba voi snippets", "chat ban noi 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 ban voi 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 ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.