Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc biet den snippets" » "toc viet den snippets", "dac biet den snippets", "co biet den snippets", "toc biet de snippets", "toc biet dung snippets", "toc bieu dien 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: (((("toc biet 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: (((("toc biet den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc biet den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc biet den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.