Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan kinh da snippets" » "than kinh da snippets", "xuan kinh da snippets", "toan tin da snippets", "toan kinh dao snippets", "toan tinh da snippets", "toan kinh 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 kinh da 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 kinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan kinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan kinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.