Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"coc duoc cac snippets" » "hoc duoc cac snippets", "co duoc cac snippets", "soc duoc cac snippets", "coc cuoc cach snippets", "coc duoc chat snippets", "coc duong cac 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: (((("coc duoc cac 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 duoc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coc duoc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coc duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.