Perhaps you should try some spelling variations:
"dang dinh cac snippets" » "dang sinh cac snippets", "dang dieu cac snippets", "van dinh cac snippets", "dang tinh cach snippets", "dang dinh chuc snippets", "dang dinh chau snippets"
"using a code snippets" » "using a core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using a code snippets") or ("dang dinh cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dang dinh cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dang dinh cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dang dinh cac snippets"))) or ("locating bug code snippets"))*.