Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh cac den snippets" » "tinh cach den snippets", "dinh chuc den snippets", "dinh chau den snippets", "dinh cac dan snippets", "dinh cac don snippets", "dinh cac nen snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dinh cac den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh cac den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh cac den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh cac den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.