Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong do he snippets" » "cong do code snippets", "cong dot he snippets", "cuong do he snippets", "cong so he snippets", "cong do ke snippets", "cong do le snippets", "cong do ve 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: (((("cong do he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong do he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong do he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong do he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.