Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac cay cong snippets" » "cac cac cong snippets", "cac cao cong snippets", "cac cau cong snippets", "ca cay cong snippets", "cac cam cong snippets", "cac cap cong 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: (((("cac cay cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac cay cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cay cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cay cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.