Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau song du snippets" » "thau song du snippets", "hau bong du snippets", "cau song du snippets", "hau song da snippets", "hau mong du snippets", "hau song ngu 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: (((("hau song 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: (((("hau song du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau song du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau song du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.