Perhaps you should try some spelling variations:
"hang cfd core snippets" » "hang cfd code snippets", "hang ca core snippets", "hang cua core snippets", "hang cau core snippets"
"dung vbugss code snippets" » "dung vbungss code snippets", "dung vbugsss code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 vbugss code snippets") or ("hang cfd core snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbugss code snippets") OR ("hang cfd core snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vbugss code snippets ) or ( hang cfd core snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vbugss code snippets") or ("hang cfd core snippets"))) or ("locating bug code snippets"))*.