Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data ban cau snippets" » "data phan cau snippets", "dia ban cau snippets", "dua ban cau snippets", "data bang cau snippets", "data ban can snippets", "data van cau 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: (((("data ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data ban cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data ban cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.