Perhaps you should try some spelling variations:
"dang sinh cua snippets" » "dang dinh cua snippets", "khang sinh cua snippets", "dang hanh cua snippets", "dang manh cua snippets", "dang dinh cuu snippets", "dang sinh va 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 sinh cua 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 sinh cua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dang sinh cua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dang sinh cua snippets"))) or ("locating bug code snippets"))*.