Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc chat voi snippets" » "doc chat code snippets", "hoc chat voi snippets", "toc cham voi snippets", "hop chat voi snippets", "doc cham voi snippets", "doc chat moi snippets", "doc chat vo 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 voi 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 voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc chat voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc chat voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.