Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan te cong snippets" » "phan te code snippets", "phan tu cong snippets", "phan le cong snippets", "phan ve cong snippets", "phan tai cong snippets", "phan thi cong snippets", "phan thu 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: (((("phan te 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: (((("phan te cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan te cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan te cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.