Perhaps you should try some spelling variations:
"reading anh trac snippets" » "reading a trac snippets", "reading sinh trac snippets", "reading anh tuan snippets", "reading anh thuc snippets"
"creating a 3d snippets" » "creating _ 3d snippets", "reading a 3d snippets", "creating a d snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 3d snippets") or ("reading anh trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating a 3d snippets") OR ("reading anh trac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a 3d snippets ) or ( reading anh trac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a 3d snippets") or ("reading anh trac snippets"))) or ("locating bug code snippets"))*.