Perhaps you should try some spelling variations:
"using waste code snippets" » "during waste code snippets", "using masked code snippets", "using rate code snippets"
"dung dat cau snippets" » "dung va cau snippets", "dung tai cau snippets"
"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: (((("using waste code snippets") or ("dung dat cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using waste code snippets") OR ("dung dat cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using waste code snippets ) or ( dung dat cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using waste code snippets") or ("dung dat cau snippets"))) or ("locating bug code snippets"))*.