Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"hanh java java snippets" » "hanh va java snippets", "hanh java java slippers"
"thong tin java snippets" » "thong trinh java snippets", "thong think java snippets", "thong tin va snippets", "thong tin java slippers"

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: (((("hanh java java snippets") or ("thong tin java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("thong tin java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( thong tin java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("thong tin java snippets"))) or ("locating bugs code snippets"))*.