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