Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong tai » truong dai, truong thi, truong cao
thong cong » trong cong, tong cong, thong thong
trung tai » trung tam, trung dai, trong tai
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - thanh ((trung tai) or (truong tai)) thong cong tan ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tai) OR (truong tai)) thong cong tan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung tai) or (truong tai)) thong cong tan ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tai) or (truong tai)) thong cong tan ((phan cau) OR (phan dau))*.