Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cot chat doc snippets" » "cot chat code snippets", "cot hat doc snippets", "cong chat doc snippets", "hoat chat doc snippets", "cot chat hoc snippets", "cot chau doc snippets", "cot thuat doc 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: (((("cot chat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot chat doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cot chat doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot chat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.