Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trac hoc can snippets" » "trac hoc code snippets", "toan hoc can snippets", "thai hoc can snippets", "toc hoc can snippets", "trac hoc dan snippets", "trac hoc cao snippets", "trac hoc cac snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trac hoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trac hoc can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trac hoc can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trac hoc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.