Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi thu canh snippets" » "noi thuc hanh snippets", "noi thu cong snippets", "noi thu ban snippets", "noi thuc canh snippets", "noi tru canh snippets", "doi thu 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: (((("noi thu canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi thu canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi thu canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi thu canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.