Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han ca cuoc snippets" » "han va cuoc snippets", "han cho cuoc snippets", "han dao cuoc snippets", "hang ca cuoc snippets", "han cua cuoc snippets", "dan ca cuoc 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: (((("han ca cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han ca cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han ca cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han ca cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.