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