Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using data hoi snippets" » "using data code snippets", "using java hoi snippets", "using sat hoi snippets", "missing data hoi snippets", "using dai hoi snippets", "using dan hoi snippets", "using dat boi snippets"
"dung java java snippets" » "dung va 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: (((("using data hoi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data hoi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using data hoi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data hoi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.