Perhaps you should try some spelling variations:
"trong duoc cach snippets" » "trong cuoc cach snippets", "trong nuoc cach snippets", "trong doi cach snippets", "trong duoc cac snippets", "trong truoc cach snippets"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug core snippets"
"locating bug 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: (((("trong duoc cach snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong duoc cach snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong duoc cach snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong duoc cach snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.