Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua phap de snippets" » "cu phap de snippets", "va phap de snippets", "cua nha de snippets", "cua phap ke snippets", "cua phap ve snippets", "cua phap 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: (((("cua phap de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua phap de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua phap de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phap de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.