Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung mao con snippets" » "dung mo con snippets", "dung may con snippets", "dung bao con snippets", "dung tao con snippets", "dung mao can snippets", "dung sao con 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: (((("dung mao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung mao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung mao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.