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