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