Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap dinh le snippets" » "phan dinh le snippets", "pham dinh le snippets", "phap sinh le snippets", "phap dinh ve snippets", "phap dinh ly snippets", "phap dinh ket 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: (((("phap dinh 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: (((("phap dinh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap dinh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap dinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.