Perhaps you should try some spelling variations:
"doi hoi chat snippets" » "doi hoi code snippets", "doi hop chat snippets", "doi hoa chat snippets", "doi hoc chat snippets", "doi thoi chat snippets", "doi voi chat snippets", "doi moi chat snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("doi hoi chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi hoi chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi hoi chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi hoi chat snippets"))) or ("locating bug core snippets"))*.