Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
thong cau » thong cac, thong cap, thong tu
cong va » dong va, cong tac, luong va
cong ha » cong hoa, dong ha, cong tac

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 - thanh trung cua nhung ((cong va) OR (cong ha)) thong cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh trung cua nhung ((cong va) OR (cong ha)) thong cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung cua nhung ((cong va) OR (cong ha)) thong cau*.