Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sat duc lanh snippets" » "sat duc anh snippets", "sat duc manh snippets", "sat duc hanh snippets", "sat muc lanh snippets", "sat dac lanh snippets", "sat tuc lanh snippets", "sat duc lanh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("sat duc lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat duc lanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat duc lanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat duc lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.