Perhaps you should try some spelling variations:
"creating vu duong snippets" » "creating a duong snippets", "creating va duong snippets", "creating van duong snippets", "creating cau duong snippets", "creating vu duong slippers"
"creating _ a snippets" » "creating _ a 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: (((("creating _ a snippets") or ("creating vu duong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating _ a snippets") OR ("creating vu duong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating _ a snippets ) or ( creating vu duong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating _ a snippets") or ("creating vu duong snippets"))) or ("locating bug code snippets"))*.