Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc dan ton snippets" » "thuc dan code snippets", "thuc hanh ton snippets", "hoc dan ton snippets", "thuc vat ton snippets", "thuc dan toan snippets", "thuc dan toc snippets", "thuc dan mon 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: (((("thuc dan ton snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc dan ton snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuc dan ton snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc dan ton snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.