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