Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mon pham chi snippets" » "mon phai chi snippets", "mon phan chi snippets", "mon phap chi snippets", "mon pham thi snippets", "mon tham chi snippets", "mon pham chieu 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: (((("mon pham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mon pham chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mon pham chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mon pham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.