Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data ban noi snippets" » "data phan noi snippets", "dia ban noi snippets", "dua ban noi snippets", "data ban nuoi snippets", "data ban moi snippets", "data van 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: (((("data ban noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data ban noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data ban noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data ban noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.