Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quan cham snippets" » "dung quan code snippets", "dung quang cham snippets", "dung luan cham snippets", "luong quan cham snippets", "dung qua cham snippets", "dung quan pham snippets", "dung quang chan snippets"
"data using java snippets" » "data using data 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 quan cham snippets") or ("data using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung quan cham snippets") OR ("data using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung quan cham snippets ) or ( data using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quan cham snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.