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