Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach dua da snippets" » "cach cua da snippets", "cach dung da snippets", "cac du da snippets", "cach dua dam snippets", "cach qua da snippets", "cach dua ra 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: (((("cach dua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach dua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach dua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach dua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.