Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khi doi toc snippets" » "khi doi code snippets", "khi dai toc snippets", "khi hoi toc snippets", "khi moi toc snippets", "khi doi tac snippets", "khi doi toi snippets", "khi doi cuoc 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: (((("khi doi toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi doi toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khi doi toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi doi toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.