Perhaps you should try some spelling variations:
"le hoang trinh snippets" » "le hoang thinh snippets", "le cong trinh snippets", "le hoang minh snippets", "le hong trinh snippets", "le quang trinh snippets", "le tang trinh snippets", "le hoang trinh 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 ("le hoang trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("le hoang trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( le hoang trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("le hoang trinh snippets"))) or ("locating bug code snippets"))*.