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