Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mon phan le snippets" » "bon phan le snippets", "mon nhan le snippets", "mon phai le snippets", "mon pham le snippets", "mon phan mem snippets", "mon phan lap 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 phan le 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 phan le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mon phan le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mon phan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.