Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc hung ho snippets" » "ngoc chuong ho snippets", "quoc hung ho snippets", "ngoc hung hoa snippets", "ngoc phung ho snippets", "ngoc tung ho 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: (((("ngoc hung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc hung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc hung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc hung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.