Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac tra cau snippets" » "cac tro cau snippets", "ca tra cau snippets", "cac tru cau snippets", "cac tra sau snippets", "cac ta cau snippets", "cac tra cuu 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 tra cau 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 tra cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac tra cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.