Perhaps you should try some spelling variations:
"ham luan tinh snippets" » "ham quan tinh snippets", "ham luan kinh snippets", "ham luan sinh snippets", "pham luan tinh snippets", "han luan tinh snippets", "phap luan tinh snippets", "ham luan tinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("ham luan tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham luan tinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham luan tinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham luan tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.