Perhaps you should try some spelling variations:
"creating tu duong snippets" » "creating a duong snippets", "creating tu tuong snippets", "creating tu dong snippets", "creating vu duong snippets", "creating tu 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 tu 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 tu duong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating _ a snippets ) or ( creating tu duong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating _ a snippets") or ("creating tu duong snippets"))) or ("locating bug code snippets"))*.