Perhaps you should try some spelling variations:
"trinh quang code snippets" » "tinh quang code snippets", "trinh quan code snippets", "tranh quang code snippets", "trinh quang de snippets", "trinh quang code slippers"
"dong cho code snippets" » "dung cho code snippets", "dong co code snippets", "dong hoc code snippets", "dong cho cong snippets", "dong cfd code snippets", "dong cho con snippets", "dong cho 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: (((("trinh quang code snippets") or ("dong cho code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh quang code snippets") OR ("dong cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh quang code snippets ) or ( dong cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh quang code snippets") or ("dong cho code snippets"))) or ("locating bug code snippets"))*.