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