Perhaps you should try some spelling variations:
"dung cac cham snippets" » "luong cac cham snippets", "dung cho cham snippets", "dung tai cham snippets", "dung cac chat snippets", "dung ca cham snippets", "dung cac cam snippets"
"anh va java snippets" » "anh java java snippets", "hanh 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: (((("anh va java snippets") or ("dung cac cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh va java snippets") OR ("dung cac cham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh va java snippets ) or ( dung cac cham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh va java snippets") or ("dung cac cham snippets"))) or ("locating bug code snippets"))*.