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