Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam ngoc can snippets" » "pham ngoc can snippets", "lam nguoi can snippets", "lang ngoc can snippets", "lam ngoc canh snippets", "lam ngoc lan snippets", "lam ngoc tan 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: (((("lam ngoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam ngoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam ngoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam ngoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.