Perhaps you should try some spelling variations:
"coating dung cac snippets" » "hoang dung cac snippets", "coating luong cac snippets", "coating dung cho snippets", "coating dung tai snippets"
"cong dung cac snippets" » "cuong dung cac snippets", "cong dong cac snippets", "cong luong cac snippets", "cong dung cho snippets", "cong dung tai 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: (((("coating dung cac snippets") OR ("cong dung cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coating dung cac snippets") OR ("cong dung cac snippets"))) OR ("locating bug code snippets")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"coating dung cac snippets\") OR (\"cong dung cac snippets\"))) or (\"locating bug code snippets\"))".
• Removing quotes may allow a broader search: (((( coating dung cac snippets ) OR ( cong dung cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coating dung cac snippets") OR ("cong dung cac snippets"))) or ("locating bug code snippets"))*.