Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh duan de snippets" » "dinh xuan de snippets", "dinh duong de snippets", "dinh quang de snippets", "dinh dan de snippets", "dinh luan de snippets", "dinh quan den 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 duan de 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 duan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh duan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh duan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.