Perhaps you should try some spelling variations:
"phung ho chieu snippets" » "phung thi chieu snippets", "tung ho chieu snippets", "hung hoa chieu snippets", "phung theo chieu snippets", "phung hoc thieu snippets", "phung doi chieu snippets"
"dung va java snippets" » "dung java java 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: (((("dung va java snippets") or ("phung ho chieu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung va java snippets") OR ("phung ho chieu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung va java snippets ) or ( phung ho chieu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung va java snippets") or ("phung ho chieu snippets"))) or ("locating bug code snippets"))*.