Perhaps you should try some spelling variations:
"trinh thuc code snippets" » "trinh tu code snippets", "trinh thi code snippets", "trinh thuc co snippets", "trinh thuc con snippets"
"using low dose snippets" » "using low noise snippets", "using low cost 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 low dose snippets") or ("trinh thuc code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using low dose snippets") OR ("trinh thuc code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using low dose snippets ) or ( trinh thuc code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using low dose snippets") or ("trinh thuc code snippets"))) or ("locating bug code snippets"))*.