Perhaps you should try some spelling variations:
"phan nuoi con snippets" » "chan nuoi con snippets", "phap nuoi con snippets", "phan nuoc con snippets", "phan nuoi lon snippets", "phan nguoi cong snippets", "phan nuoc cong snippets"
"dung java java snippets" » "dung va 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: (((("phan nuoi con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan nuoi con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan nuoi con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan nuoi con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.