Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hang java java slippers" » "hang va java slippers", "hang java java slippery", "hang java java grippers"
"phan van code snippets" » "pham van code snippets", "thanh van code snippets", "luan van code snippets", "phan van de snippets", "phan van hoe snippets", "phan van cong 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: (((("phan van code snippets") or ("hang java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan van code snippets") OR ("hang java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( phan van code snippets ) or ( hang java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan van code snippets") or ("hang java java slippers"))) or ("locating bugs code snippets"))*.