Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi qua da snippets" » "moi quan da snippets", "moi cua da snippets", "hoi qua da snippets", "moi qua ca snippets", "moi qua di snippets", "moi qua 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: (((("moi qua 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: (((("moi qua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi qua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi qua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.