Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui duoc hoi snippets" » "bui duc hoi snippets", "bui quoc hoi snippets", "bui duong hoi snippets", "bui duoc hoc snippets", "bui duoc si 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: (((("bui duoc 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: (((("bui duoc hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui duoc hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui duoc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.