Perhaps you should try some spelling variations:
"cong hanh trinh slippers" » "cong canh tranh slippers", "cong hanh chinh slippers", "cong thanh trinh slippers", "cong khanh trinh slippers", "hong hanh trinh slippers", "cong hanh trinh slippery", "cong hanh trinh 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 hanh trinh 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 hanh trinh slippers") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hanh trinh slippers ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hanh trinh slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.