Perhaps you should try some spelling variations:
"thi canh tranh snippets" » "thi hanh tranh snippets", "thi anh tranh snippets", "thi oanh tranh snippets", "thi canh trinh snippets", "thi canh thanh snippets", "thi canh tran snippets", "thi canh tranh slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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