Perhaps you should try some spelling variations:
"chuoc thanh cac snippets" » "cuoc thanh cac snippets", "thuoc thanh cac snippets", "hoc thanh cac snippets", "chuoc hanh cac snippets", "chuoc thanh bac snippets", "chuoc thanh ca snippets"
"dung java java snippets" » "dung va java 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: (((("chuoc thanh cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuoc thanh cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuoc thanh cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuoc thanh cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.