Perhaps you should try some spelling variations:
"data using data snippets" » "data using java snippets", "data using sat snippets", "data missing data snippets", "data using data slippers"
"trong co code snippets" » "trong ca code snippets", "trong cong code snippets", "trong cuoc code snippets", "trong cfd code snippets", "trong co 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: (((("data using data snippets") or ("trong co code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using data snippets") OR ("trong co code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using data snippets ) or ( trong co code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using data snippets") or ("trong co code snippets"))) or ("locating bug code snippets"))*.