Perhaps you should try some spelling variations:
"pham hoan tranh snippets" » "pham hoan thanh snippets", "pham hoan tran snippets", "pham hoang thanh snippets", "pham hoang tranh snippets", "phap hoan tranh snippets", "nham hoan tranh snippets", "pham hoan tranh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("pham hoan tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham hoan tranh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hoan tranh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hoan tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.