Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian dai hoa snippets" » "gian dan hoa snippets", "gian dac hoa snippets", "gian dat hoa snippets", "gian dai khoa snippets", "gian dai hoc snippets", "gian dai 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: (((("gian dai hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian dai hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dai hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dai hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.