Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hien xanh » hien hanh, hien nhanh, chieu xanh
thuc hung » thuc chung, thuc nhung, thuc dung
cong than » cong thang, cong tan, cong thai
tinh dan » trinh dan, tinh da, binh dan
dan thuc » dan toc, am thuc
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - tinh dan thuc hung ((cong than) or (cong thanh)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - tinh dan thuc hung ((cong than) OR (cong thanh)) phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - tinh dan thuc hung ((cong than) or (cong thanh)) phan cac*.