Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan nham do snippets" » "toan nha do snippets", "toan ham do snippets", "hoang nham do snippets", "toan nam do snippets", "toan pham do snippets", "toan tham do 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: (((("toan nham do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan nham do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan nham do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan nham do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.