Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung hai ke snippets" » "dung tai ke snippets", "dung ha ke snippets", "dung sai ke snippets", "dung hai le snippets", "dung hai kien 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: (((("python using java snippets") or ("dung hai ke snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung hai ke snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung hai ke snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung hai ke snippets"))) or ("locating bug code snippets"))*.