Perhaps you should try some spelling variations:
"phong canh chau snippets" » "phong cach chau snippets", "phong thanh chau snippets", "phuong cach chau snippets", "phong canh cha snippets", "phong chinh chau snippets", "phong doanh chau snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "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: (((("phong canh chau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong canh chau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong canh chau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong canh chau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.