Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"yang bac cau snippets" » "bang bac cau snippets", "dang bac cau snippets", "hang ban cau snippets", "yang bach cau snippets", "yang ba cau snippets", "yang bac can 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: (((("yang bac cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang bac cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yang bac cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang bac cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.