Perhaps you should try some spelling variations:
"trinh quang de snippets" » "tinh quang de snippets", "trinh quan de snippets", "tranh quang de snippets", "trinh quang le snippets", "trinh quang d snippets", "trinh quang do snippets"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve code snippets", "dung v core snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("trinh quang de snippets") or ("dung v code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh quang de snippets") OR ("dung v code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh quang de snippets ) or ( dung v code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh quang de snippets") or ("dung v code snippets"))) or ("locating bug code snippets"))*.