Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tung can » trung can, tung dan, trung cap
ban cong » bang cong, van cong, phan cong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
can ban » van ban, 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 can ban cong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tung can ban cong dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tung can ban cong dan ((than cau) or (than cap))*.