Perhaps you should try some spelling variations:
"khang using java snippets" » "khang sinh java snippets", "khang using data snippets"
"using a care snippets" » "using a carey snippets", "using a case snippets", "using _ care snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 a care snippets") or ("khang using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a care snippets") OR ("khang using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a care snippets ) or ( khang using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a care snippets") or ("khang using java snippets"))) or ("locating bug code snippets"))*.