Perhaps you should try some spelling variations:
"trinh nhung cu snippets" » "trinh phuong cu snippets", "trinh dung cu snippets", "trinh nhung cau snippets", "trinh nhung chu snippets", "trinh chung cu snippets"
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets"
"locating bug code snippets" » "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 data code snippets") or ("trinh nhung cu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("trinh nhung cu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( trinh nhung cu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("trinh nhung cu snippets"))) or ("locating bug code snippets"))*.