Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong thong » thong thong, khong trong, thong thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
trung cap » truong cao, trung tam
cap khong » cat khong, chap phong, va khong
thong dan » thong van, tuong dan, thong den
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (hieu quang)) - thanh trung cap khong thong dan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu quang)) - thanh trung cap khong thong dan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (hieu quang)) - thanh trung cap khong thong dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu quang)) - thanh trung cap khong thong dan ((than cau) OR (toan cau))*.