Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc dan mon snippets" » "luoc danh mon snippets", "luoc dai mon snippets", "luoc can mon snippets", "luoc dap mon snippets", "luoc dan dong snippets", "luoc dong mon 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: (((("luoc dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc dan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc dan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.