Perhaps you should try some spelling variations:
"khang using java snippets" » "khang sinh java snippets", "khang using data snippets"
"dung sai core snippets" » "dung tai core snippets", "dung va core snippets", "dung dat core snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

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