Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chao tu can snippets" » "chao tu code snippets", "chao xu can snippets", "cho tu can snippets", "cao tu can snippets", "chao tu ban snippets", "chao tu cac snippets", "chao su can 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 tu can 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 tu can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chao tu can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao tu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.