Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan mang cua snippets" » "toan mang cua snippets", "tin mang cua snippets", "tao mang cua snippets", "tan manh cua snippets", "tan dung cua snippets", "tan ban cua 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: (((("tan mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan mang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan mang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.