Perhaps you should try some spelling variations:
"hoc viet code snippets" » "hoc viet co snippets", "hoc viet some snippets", "hoc hien code snippets"
"dung dat code slippers" » "dung va code slippers", "dung tai code slippers", "dung rate code slippers", "dung dat de slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc viet code snippets") or ("dung dat code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc viet code snippets") OR ("dung dat code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc viet code snippets ) or ( dung dat code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc viet code snippets") or ("dung dat code slippers"))) or ("locating bug code snippets"))*.