Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang tai da snippets" » "hang va da snippets", "dung tai da snippets", "hang tai ba snippets", "hang tai va snippets", "hang 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: (((("hang 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: (((("hang tai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang tai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang tai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.