Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong nu doi snippets" » "dong nhu doi snippets", "dong tu doi snippets", "dong su doi snippets", "dong neu doi snippets", "dong nu doc 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: (((("dong nu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong nu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.