Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thi de snippets" » "dung thi code snippets", "dung tai de snippets", "dung tri de snippets", "dung chi de snippets", "dung thi dep snippets", "dung thi le snippets", "dung khi de snippets"
"python using java snippets" » "python using data 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 thi de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thi de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung thi de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.