Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan huu hoi snippets" » "dang huu hoi snippets", "dao huu hoi snippets", "dan luu hoi snippets", "dan huu ho snippets", "dan huu hai snippets", "dan cuu hoi 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: (((("dan huu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan huu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan huu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan huu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.