Perhaps you should try some spelling variations:
"trinh khanh ly snippets" » "trinh thanh ly snippets", "trinh hanh ly snippets", "trinh kinh ly snippets", "trinh thanh lay snippets", "trinh hanh ky snippets", "trinh doanh ly snippets", "trinh khanh ly slippers"
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets", "using data code slippers"
"locating bug code 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 data code snippets") or ("trinh khanh ly 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 khanh ly snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( trinh khanh ly snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("trinh khanh ly snippets"))) or ("locating bug code snippets"))*.