Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan chat doc snippets" » "lan chat code snippets", "luan chat doc snippets", "van chat doc snippets", "ban chat doc snippets", "lan chat hoc snippets", "lan chau doc snippets", "lan 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: (((("lan 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: (((("lan chat doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lan chat doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan chat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.