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