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