Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung hai con snippets" » "dung tai con snippets", "dung ha con snippets", "dung sai con snippets", "dung phai con snippets", "dung bai con snippets", "dung hai son 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: (((("dung hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.