Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc dat nghe snippets" » "toc dat code snippets", "toc day nghe snippets", "toc da nghe snippets", "toc dang nghe snippets", "toc dao nghe snippets", "hoc dat nghe snippets", "coc 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: (((("toc 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: (((("toc dat nghe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc dat nghe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc dat nghe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.