Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dung phu cham snippets" » "dung phan cham snippets", "dung cho cham snippets", "dung he cham snippets", "dung phuc cham snippets", "dung phuc chau snippets", "dung thi cham 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 phu cham 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 phu cham snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phu cham snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phu cham snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.