Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban cac toc snippets" » "ban cac code snippets", "bang cac toc snippets", "ban can toc snippets", "ban sac toc snippets", "ban cac toi snippets", "ban cac nuoc snippets", "ban cac thoi 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: (((("ban cac 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: (((("ban cac toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban cac toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cac toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.