Perhaps you should try some spelling variations:
"luan hoat code snippets" » "luan hoan code snippets", "qua hoat code snippets", "luan khoa code snippets", "luan hoat core snippets", "luan hoat code slippers"
"hang va java snippets" » "hang java java snippets", "hang va java slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 hoat code snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan hoat code snippets") OR ("hang va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan hoat code snippets ) or ( hang va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan hoat code snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))*.