Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh dao son snippets" » "dinh dat son snippets", "minh dao son snippets", "dinh cao son snippets", "dinh dai son snippets", "dinh do son 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 dao son 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 dao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh dao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh dao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.