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