Perhaps you should try some spelling variations:
"trong chan code snippets" » "trong chuan code snippets", "trong cham code snippets", "trong can code snippets", "trong chan code slippers"
"dong hoc code snippets" » "dong co code snippets", "dong luc code snippets", "dong hoc co snippets", "dong hoc cong snippets", "dong hoc de snippets", "dong hoc 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: (((("trong chan code snippets") or ("dong hoc code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong chan code snippets") OR ("dong hoc code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong chan code snippets ) or ( dong hoc code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong chan code snippets") or ("dong hoc code snippets"))) or ("locating bug code snippets"))*.