Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dong trinh co snippets" » "cong trinh co snippets", "dong tinh co snippets", "dong tranh co snippets", "dong trinh do snippets", "dong trinh cong snippets", "dong trinh hoa snippets"
"data using java snippets" » "data using data 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: (((("dong trinh co snippets") or ("data using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong trinh co snippets") OR ("data using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dong trinh co snippets ) or ( data using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong trinh co snippets") or ("data using java snippets"))) or ("locating bugs code snippets"))*.