Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nong lam can snippets" » "trong lam can snippets", "dung lam can snippets", "nong lam san snippets", "nong lam ban snippets", "nong lam gan 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: (((("nong lam 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: (((("nong lam can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nong lam can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nong lam can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.