Perhaps you should try some spelling variations:
"creating thi doan snippets" » "creating thi code snippets", "creating _ doan snippets", "creating thai doan snippets", "creating thi hoan snippets", "creating thi loan snippets"
"locating bug core snippets" » "locating bug code snippets"
"creating a a snippets" » "creating _ a snippets", "reading a a 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 thi doan snippets") or ("creating a a snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating thi doan snippets") OR ("creating a a snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( creating thi doan snippets ) or ( creating a a snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating thi doan snippets") or ("creating a a snippets"))) or ("locating bug core snippets"))*.