Perhaps you should try some spelling variations:
"trinh vat anh slippers" » "trinh van anh slippers", "trinh luat anh slippers", "sinh vat anh slippers", "trinh sat anh slippers", "trinh dat anh slippers", "trinh vat anh slippery", "trinh vat anh 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: (((("trinh vat anh slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh vat anh slippers") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vat anh slippers ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat anh slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.