Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bieu dan da snippets" » "sieu dan da snippets", "bieu dac da snippets", "bieu dat da snippets", "bieu dan dat snippets", "bieu dan ca snippets", "bieu dan va 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: (((("bieu dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bieu dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bieu dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bieu dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.