Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"coc dan thuc snippets" » "coc dan toc snippets", "coc am thuc snippets", "hoc dan thuc snippets", "cac dan thuc snippets", "co dan thuc snippets", "coc dan thuc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("coc dan thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coc dan thuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coc dan thuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coc dan thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.