Perhaps you should try some spelling variations:
"cuoc cach thien snippets" » "cuoc cach thiet snippets", "cuoc sach thieu snippets", "cuoc cai thien snippets", "quoc cach thien snippets", "duoc cach thien snippets", "cuoc cach thien slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 cach thien 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 cach thien snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc cach thien snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc cach thien snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.