Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi va cong snippets" » "hoi va cong snippets", "thai va cong snippets", "tho va cong snippets", "thoi tai cong snippets", "thoi cua cong 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: (((("thoi va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi va cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi va cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi va cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.