Perhaps you should try some spelling variations:
"reading va du snippets" » "reading a du snippets", "reading _ du snippets", "reading 1 du snippets", "reading va dau snippets", "reading va su snippets", "reading va tu snippets"
"creating a code snippets" » "creating _ code snippets", "reading a code snippets", "creating a core snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("reading va du snippets") or ("creating a code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading va du snippets") OR ("creating a code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( reading va du snippets ) or ( creating a code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("reading va du snippets") or ("creating a code snippets"))) or ("locating bug code snippets"))*.