Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"doc lai cho snippets" » "doc lap cho snippets", "doc hai cho snippets", "duc lai cho snippets", "doc lai chau snippets", "doc bai choi snippets", "doc lai cuoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("doc lai cho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc lai cho snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc lai cho snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc lai cho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.