Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tung tuan » trung tuan, hung tuan, quang tuan
tuan cong » thuan cong, luan cong, tran cong
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan
toan ban » van ban

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 tung tuan cong ((cong van) OR (cong vang)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh tung tuan cong ((cong van) OR (cong vang)) toan ban*".