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