Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men hinh hoc snippets" » "men sinh hoc snippets", "dien hinh hoc snippets", "den chinh hoc snippets", "men tin hoc snippets", "men benh 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: (((("men hinh 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: (((("men hinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men hinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.