Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thoi du snippets" » "dung thi du snippets", "dung toi du snippets", "dung thuoc du snippets", "dung thoi su 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 thoi du 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 thoi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thoi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thoi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.