Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi thuc cao snippets" » "choi thuc cao snippets", "nghi thuc cao snippets", "cuoi thuc cao snippets", "noi thuoc cao snippets", "noi thuc co snippets", "noi thuc can 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: (((("noi thuc cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi thuc cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi thuc cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi thuc cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.