Perhaps you should try some spelling variations:
"trong nhung code snippets" » "thong nhung code snippets", "trong hung code snippets", "trong phung code snippets", "trong nhung cong snippets", "trong nhung con snippets", "trong nhung code slippers"
"dung dat code snippets" » "dung va code snippets", "dung tai code snippets", "dung rate code snippets", "dung dat de snippets", "dung dat code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("trong nhung code snippets") or ("dung dat code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong nhung code snippets") OR ("dung dat code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong nhung code snippets ) or ( dung dat code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong nhung code snippets") or ("dung dat code snippets"))) or ("locating bug code snippets"))*.