Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi cua cao snippets" » "khoi cua code snippets", "hoi cua cao snippets", "khi cua cao snippets", "kho cua cao snippets", "khoi cua cac snippets", "khoi cu cao snippets", "khoi cua cay 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: (((("khoi cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi cua cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi cua cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.