Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"leng tu hanh snippets" » "leng su hanh snippets", "lenin tu hanh snippets", "luong tu hanh snippets", "leng tu thanh snippets", "leng du hanh snippets", "leng lu hanh snippets", "leng tu hanh 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: (((("leng tu hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("leng tu hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( leng tu hanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("leng tu hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.