Perhaps you should try some spelling variations:
"trinh tho trinh snippets" » "trinh thao trinh snippets", "trinh theo trinh snippets", "trinh thoi trinh snippets", "trinh tho tinh snippets", "trinh tao trinh snippets", "trinh thi trinh snippets", "trinh tho trinh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "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 tho trinh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh tho trinh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tho trinh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tho trinh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.