Perhaps you should try some spelling variations:
"trong trinh java snippets" » "trong tinh java snippets", "trang trinh java snippets", "trong thinh java snippets", "trong trinh 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: (((("trong trinh 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: (((("trong trinh java snippets") OR ("dong cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong trinh java snippets ) or ( dong cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong trinh java snippets") or ("dong cho code snippets"))) or ("locating bug code snippets"))*.