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