Perhaps you should try some spelling variations:
"cong nho trac slippers" » "cong nhoi trac slippers", "cong cho trac slippers", "cong nha trac slippers", "cong nho tac slippers", "cong pho trach slippers", "cong hoi trac slippers", "cong nho trac slippery", "cong nho trac grippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug core snippets"
"locating bug 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: (((("cong nho trac slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong nho trac slippers") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong nho trac slippers ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong nho trac slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.