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