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