Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thau qua da snippets" » "thau quang da snippets", "thanh qua da snippets", "thau luan da snippets", "thau qua ca snippets", "thau qua di snippets", "thau qua va 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: (((("thau qua 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: (((("thau qua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thau qua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thau qua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.