Perhaps you should try some spelling variations:
"cuoc bach cau snippets" » "cuoc cach cau snippets", "cuon sach cau snippets", "nuoc sach cau snippets", "cuoc bac cau snippets", "cuoc bach mai snippets", "cuoc sach cap 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 bach cau 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 bach cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc bach cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc bach cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.