Perhaps you should try some spelling variations:
"quang khang tu snippets" » "quang khanh tu snippets", "quang thanh tu snippets", "quang khai tu snippets", "quang hang tu snippets", "quang khang cu snippets", "quang khong tu snippets", "quang khang tu slippers"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets", "dung using java 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: (((("dung using java snippets") or ("quang khang tu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("quang khang tu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( quang khang tu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("quang khang tu snippets"))) or ("locating bug code snippets"))*.