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