Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh cac de snippets" » "hanh cac de snippets", "thanh bac de snippets", "thanh ca de snippets", "thanh cach de snippets", "thanh cac du snippets", "thanh cac he 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: (((("thanh cac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh cac de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh cac de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh cac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.