Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin dan cua snippets" » "tin don cua snippets", "trinh dan cua snippets", "tin dung cua snippets", "tin dan ca snippets", "tin ban cua snippets", "tin dai 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: (((("tin dan 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: (((("tin dan cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin dan cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin dan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.