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