Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao nguon java snippets" » "tao ngu java snippets", "tao nguyen java snippets", "tang nguon java snippets", "dao nguoi java snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing 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: (((("tao nguon java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao nguon java snippets") OR ("using data java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao nguon java snippets ) or ( using data java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao nguon java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.