Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van minh java snippets" » "van trinh java snippets", "van minh va snippets", "van minh java slippers"
"dung lua code snippets" » "dung luan code snippets", "dung luat code snippets", "dung cua code snippets", "dung bug code snippets", "dung lbm code snippets", "dung lua code 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: (((("van minh java snippets") or ("dung lua code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van minh java snippets") OR ("dung lua code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van minh java snippets ) or ( dung lua code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van minh java snippets") or ("dung lua code snippets"))) or ("locating bugs code snippets"))*.