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