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