Perhaps you should try some spelling variations:
"truan hoi tinh snippets" » "truan doi tinh snippets", "truong hoi tinh snippets", "tan hoi tinh snippets", "truan vi tinh snippets", "truan bi tinh snippets", "truan ha tinh snippets", "truan hoi tinh 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: (((("truan hoi tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan hoi tinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truan hoi tinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truan hoi tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.