Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc cach du snippets" » "thuc cach code snippets", "thuoc sach du snippets", "truoc cach du snippets", "thuc hanh du snippets", "thuc cach dua snippets", "thuc cac du snippets", "thuc cach de 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 cach du 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 cach du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuc cach du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc cach du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.