Perhaps you should try some spelling variations:
quang tuan » quang thanh, quan luan
hien xanh » hien hanh, hien nhanh, chieu xanh
tung tuan » trung tuan, hung tuan, trang tuan
quang cua » quan cua, quang huy, dung cua
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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) or (((quang tuan) OR (quang cua)))) trong cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh ((tung tuan) OR (((quang tuan) OR (quang cua)))) trong cong ban than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh ((tung tuan) or (((quang tuan) OR (quang cua)))) trong cong ban than cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((tung tuan) or (((quang tuan) OR (quang cua)))) trong cong ban than cau*.