Perhaps you should try some spelling variations:
"van nhan va snippets" » "van phan va snippets", "van thanh va snippets", "danh nhan va snippets", "van nhan tai snippets", "van nhan dan snippets", "van nhan tao snippets", "van nhan va slippers"
"hanhg java java snippets" » "hanhg 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: (((("van nhan va snippets") or ("hanhg java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van nhan va snippets") OR ("hanhg java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van nhan va snippets ) or ( hanhg java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van nhan va snippets") or ("hanhg java java snippets"))) or ("locating bug code snippets"))*.