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