Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tay cong snippets" » "ban cay cong snippets", "ban may cong snippets", "ban tay dong snippets", "ban tai cong snippets", "ban lay cong snippets", "ban tat cong 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: (((("ban tay cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban tay cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tay cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tay cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.