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