Perhaps you should try some spelling variations:
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets", "using data code slippers"
"toc trinh tu snippets" » "doc trinh tu snippets", "hoc trinh tu snippets", "tra trinh tu snippets", "toc trinh ky snippets", "toc trinh do snippets", "toc trinh tu 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 ("toc trinh tu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("toc trinh tu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( toc trinh tu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("toc trinh tu snippets"))) or ("locating bug code snippets"))*.