Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy sach cap snippets" » "huy bach cap snippets", "huy sanh cap snippets", "hoc sach cap snippets", "huy sach dao snippets", "huy sach bai snippets", "huy sach xa 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: (((("huy sach cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy sach cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy sach cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy sach cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.