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