Perhaps you should try some spelling variations:
"trinh hat gao slippers" » "trinh chat gao slippers", "trinh phat gao slippers", "trinh nhat gao slippers", "trinh han gao slippers", "trinh hat dao slippers", "trinh phat giao slippers", "trinh hat gao slippery", "trinh hat gao 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 hat gao 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 hat gao slippers") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh hat gao slippers ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh hat gao slippers") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.