Perhaps you should try some spelling variations:
"hai dong chen snippets" » "hai dong code snippets", "hai dong chan snippets", "hai dong che snippets", "hai dong chuyen snippets", "hai duong chen snippets", "thai dong chen snippets", "ha dong chen snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java snippets") or ("hai dong chen snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("hai dong chen snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( hai dong chen snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("hai dong chen snippets"))) or ("locating bug core snippets"))*.