Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang dieu do snippets" » "dang bieu do snippets", "dang dieu co snippets", "dang dieu d snippets", "dan dieu do snippets", "dung dieu do snippets", "dong dieu do 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: (((("dang dieu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dieu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dieu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dieu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.