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