Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quang can chi snippets" » "quang can code snippets", "quang chan chi snippets", "quang cao chi snippets", "quang ban chi snippets", "quang can thi snippets", "quang van chi snippets", "quang san chi 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: (((("dung java java snippets") or ("quang can chi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("quang can chi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( quang can chi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("quang can chi snippets"))) or ("locating bug core snippets"))*.