Perhaps you should try some spelling variations:
"ap dung code snippets" » "ap dung cong snippets", "ap dung co snippets", "ap dung de snippets", "xay dung code snippets", "van dung code snippets", "ap dung code slippers"
"dan trinh java snippets" » "dan tinh java snippets", "van trinh java snippets", "hanh trinh java snippets", "dan trinh java 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: (((("ap dung code snippets") or ("dan trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ap dung code snippets") OR ("dan trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ap dung code snippets ) or ( dan trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ap dung code snippets") or ("dan trinh java snippets"))) or ("locating bug code snippets"))*.