Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan tac cap snippets" » "luan tach cap snippets", "luan dac cap snippets", "luan thuc cap snippets", "luan tac can snippets", "luan cac cap snippets", "luan tac cay 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: (((("luan tac cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan tac cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan tac cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan tac cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.