Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac trinh le snippets" » "cac trinh code snippets", "cac tinh le snippets", "lap trinh le snippets", "cac thanh le snippets", "cac trinh ly snippets", "cac trinh he snippets", "cac trinh ve 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 ("cac trinh le snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac trinh le snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cac trinh le snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cac trinh le snippets"))) or ("locating bug core snippets"))*.