Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong chuc he snippets" » "cong chuc code snippets", "cong thuc he snippets", "cong cu he snippets", "cong cua he snippets", "cong chuc ke snippets", "cong chuc theo snippets", "cong chuan he 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 chuc 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 chuc he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong chuc he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chuc he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.