Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc du doc snippets" » "thuc du code snippets", "truc du doc snippets", "thuc su doc snippets", "thuc tu doc snippets", "thuc duy doc snippets", "thuc du hoc snippets", "thuc nu doc 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 du doc 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 du doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuc du doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc du doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.