Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh co ke snippets" » "anh so ke snippets", "danh cho ke snippets", "nganh co ke snippets", "anh co kem snippets", "anh co ket snippets", "anh cho ke 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: (((("anh co ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh co ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh co ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh co ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.