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