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 dung cac snippets", "cong hang cau snippets"
"coating hang ca snippets" » "coating hang va snippets", "coating nang cao snippets", "coating hang tai snippets", "coatings hang ca snippets", "creating hang ca snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("coating hang ca 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 hang ca snippets") OR ("cong bang cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coating hang ca snippets ) or ( cong bang cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coating hang ca snippets") or ("cong bang cac snippets"))) or ("locating bug code snippets"))*.