Perhaps you should try some spelling variations:
"dung phuong cua snippets" » "dung thuong cua snippets", "quang phuong cua snippets", "bang phuong cua snippets", "dung huong cua snippets", "dung phuong cham snippets", "dung chuong chua snippets"
"hang java java snippets" » "hang 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: (((("dung phuong cua snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phuong cua snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phuong cua snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phuong cua snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.