Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang va hoi snippets" » "nang van hoi snippets", "hang va hoi snippets", "nang ma hoi snippets", "nang xa hoi snippets", "nang va hoc snippets", "nang va hoa 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: (((("nang va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.