Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thoi dai tro snippets" » "hoc dai tro snippets", "hoi dap tro snippets", "hoi dan tro snippets", "thoi vai tro snippets", "thoi tai tro snippets", "thoi dai tho snippets", "thoi dai tro slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("thoi dai tro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi dai tro snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi dai tro snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi dai tro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.