Perhaps you should try some spelling variations:
"trong trinh thi snippets" » "trong tinh thi snippets", "trang trinh thi snippets", "trong thinh thi snippets", "trong trinh tai snippets", "trong trinh thiet snippets", "trong trinh tu snippets", "trong trinh thi slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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 a code snippets") or ("trong trinh thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("trong trinh thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( trong trinh thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("trong trinh thi snippets"))) or ("locating bug code snippets"))*.