Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong mi doi snippets" » "cong mi code snippets", "cong li doi snippets", "cong ma doi snippets", "cong ti doi snippets", "cong moi doi snippets", "cong mai doi snippets", "cong my doi 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: (((("cong mi doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong mi doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong mi doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong mi doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.