Perhaps you should try some spelling variations:
"canh tranh java snippets" » "canh trinh java snippets", "canh tranh va snippets", "anh tranh java snippets", "can tranh java snippets", "hanh tranh java snippets", "canh tranh java slippers"
"dong cho code snippets" » "dung cho code snippets", "dong co code snippets", "dong hoc code snippets", "dong cho cong snippets", "dong cfd code snippets", "dong cho con snippets", "dong cho code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("canh tranh java snippets") or ("dong cho code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh tranh java snippets") OR ("dong cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh tranh java snippets ) or ( dong cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh tranh java snippets") or ("dong cho code snippets"))) or ("locating bug code snippets"))*.