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"
"luong van trac snippets" » "luong va trac snippets", "duong van trac snippets", "luong vat trac snippets", "luong van thac snippets", "luong van tra snippets", "luong van trac 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 ("luong van trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("luong van trac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( luong van trac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("luong van trac snippets"))) or ("locating bug code snippets"))*.