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