Perhaps you should try some spelling variations:
"using java phan snippets" » "using data phan snippets", "using va phan snippets", "using java can snippets", "using java phan slippers"
"dung rung code snippets" » "dung trung code snippets", "duong rung code snippets", "dung ung code snippets", "dung rung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("using java phan snippets") or ("dung rung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java phan snippets") OR ("dung rung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java phan snippets ) or ( dung rung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java phan snippets") or ("dung rung code snippets"))) or ("locating bug code snippets"))*.