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