Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngu tao canh snippets" » "ngu tao anh snippets", "ngu tao can snippets", "ngu tao danh snippets", "nguy tao canh snippets", "ngu tap canh snippets", "ngu ta canh 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: (((("python using java snippets") or ("ngu tao canh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ngu tao canh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ngu tao canh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ngu tao canh snippets"))) or ("locating bug code snippets"))*.