Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc hoat doi snippets" » "toc hoat code snippets", "toi hoat doi snippets", "tich hoat doi snippets", "toan hoat doi snippets", "toc hoa doi snippets", "toc hat doi snippets", "toc hoat dong 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: (((("python using java snippets") or ("toc hoat doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toc hoat doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc hoat doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc hoat doi snippets"))) or ("locating bug core snippets"))*.