Perhaps you should try some spelling variations:
"dong tranh ngan snippets" » "dong thanh ngan snippets", "dong trinh ngan snippets", "trong tranh ngan snippets", "dong trang ngan snippets", "dong nhanh ngan snippets", "dong tranh ngan slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs 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: (((("using a code snippets") or ("dong tranh ngan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dong tranh ngan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dong tranh ngan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dong tranh ngan snippets"))) or ("locating bug code snippets"))*.