Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"khoan hoi trac snippets" » "khoan nhoi trac snippets", "khoa hoi trac snippets", "khoa hoc trac snippets", "khoan hoi trach snippets", "khoan hoi tran snippets", "khoan hoi tac snippets", "khoan hoi trac slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("khoan hoi trac snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan hoi trac snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoan hoi trac snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoan hoi trac snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.