Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chao tang ca snippets" » "chao tang code snippets", "cao tang ca snippets", "chao yang ca snippets", "cho tang ca snippets", "chao tang cua snippets", "chao hang ca snippets", "chao tang ma 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 tang ca 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 tang ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chao tang ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao tang ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.