Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"trinh han code snippets" » "trinh quan code snippets", "trinh han che snippets", "trinh han cosh snippets"
"dong cung code snippets" » "dong chung code snippets", "dong hung code snippets", "dong cong code snippets", "dong bug code 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 han code snippets") or ("dong cung code snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh han code snippets") OR ("dong cung code snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( trinh han code snippets ) or ( dong cung code snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh han code snippets") or ("dong cung code snippets"))) or ("locating bugs code slippers"))*.