Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi cua da snippets" » "khoi cua code snippets", "hoi cua da snippets", "khi cua da snippets", "kho cua da snippets", "khoi cua dan snippets", "khoi cua dai snippets", "khoi cua dam 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi cua da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi cua da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.