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