Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chao chu cao snippets" » "chao chu code snippets", "cho chu cao snippets", "cua chu cao snippets", "cao cho cao snippets", "chao cu cao snippets", "chao chu cai snippets", "chao cho cao 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: (((("chao chu cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao chu cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chao chu cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao chu cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.