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