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"
"luan va trinh snippets" » "luan van trinh snippets", "luan va tinh snippets", "luan lap trinh snippets", "luat va trinh snippets", "luan va trinh 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 ("luan va 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 ("luan va trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( luan va trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("luan va trinh snippets"))) or ("locating bug code snippets"))*.