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
nong dan » cong dan, nong san, nguong dan
cong san » cong tac
toan tap » toan 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 ((nong dan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tung tuan cong ((nong dan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tung tuan cong ((nong dan) or (cong san)) toan tap*.