Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de tang coc snippets" » "de tang cuoc snippets", "de tang co snippets", "de trang con snippets", "le tang coc snippets", "de dang coc snippets", "do tang coc 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: (((("de tang coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de tang coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de tang coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de tang coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.