Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tre dan cu snippets" » "tre dan code snippets", "tre dang cu snippets", "te dan cu snippets", "tre can cu snippets", "tre dan cua snippets", "tre dan ca snippets", "tre dan su 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: (((("tre dan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre dan cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tre dan cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre dan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.