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