Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh cho tre snippets" » "danh cho tre snippets", "han cho tre snippets", "hang cho tre snippets", "hanh cho thue snippets", "hanh khoe tre 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: (((("hanh cho tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cho tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cho tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cho tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.