Perhaps you should try some spelling variations:
"dang hoi trac snippets" » "dang khoi trac snippets", "dang hoai trac snippets", "dong hoi trac snippets", "dang hoi trac slippers", "dang hoi trach snippets", "dang hoi tran snippets", "dang hoi tac snippets"
"hang va java snippets" » "hang java java snippets", "nang va java snippets", "hanh va java snippets", "bang va java snippets", "hang va java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("hang va java snippets") or ("dang hoi trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang va java snippets") OR ("dang hoi trac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang va java snippets ) or ( dang hoi trac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang va java snippets") or ("dang hoi trac snippets"))) or ("locating bug code snippets"))*.