Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sen tang cua snippets" » "nen tang cua snippets", "son tang cua snippets", "sen tan cua snippets", "sen mang cua snippets", "sen hang cua snippets", "sen tang luan 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: (((("sen tang 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: (((("sen tang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sen tang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sen tang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.