Perhaps you should try some spelling variations:
"trinh toan ta snippets" » "tinh toan ta snippets", "thanh toan ta snippets", "trinh han ta snippets", "trinh toan tap snippets", "trinh toan tai snippets", "trinh toan tam snippets", "trinh toan ta slippers"
"using java java snippets" » "using data java snippets", "using java 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: (((("trinh toan ta snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh toan ta snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh toan ta snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh toan ta snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.