Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhau can cau snippets" » "hau can cau snippets", "nha cao cau snippets", "nhap ca cau snippets", "nhau van cau snippets", "nhau ban cau snippets", "nhau ca 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: (((("nhau can 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: (((("nhau can cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhau can cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhau can cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.