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