Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java snippets"
"manh toan cong snippets" » "thanh toan cong snippets", "anh tuan cong snippets", "tinh toan cong snippets", "manh tran cong snippets", "manh toan thong snippets", "manh doan cuong 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: (((("hang java java snippets") or ("manh toan cong snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("manh toan cong snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( manh toan cong snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("manh toan cong snippets"))) or ("locating bugs code snippets"))*.