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