Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vat chinh java snippets" » "vat chinh va snippets", "vat trinh java snippets", "vat think java snippets", "va chinh java snippets", "van chinh java snippets", "mat chinh java snippets"
"using java java snippets" » "using data java 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: (((("vat chinh java snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat chinh java snippets") OR ("using java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vat chinh java snippets ) or ( using java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat chinh java snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.