Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"data using data snippets" » "data using java snippets", "data using sat snippets", "data missing data snippets", "data using data slippers"
"dung van code snippets" » "duong van code snippets", "dung va code snippets", "dang van code snippets", "dung van de snippets", "dung van hoe snippets", "dung van cong snippets", "dung van code slippers"

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 ("dung van code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using data snippets") OR ("dung van code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( data using data snippets ) or ( dung van code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using data snippets") or ("dung van code snippets"))) or ("locating bugs code snippets"))*.