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