Perhaps you should try some spelling variations:
truong luong » thuong luong, trong luong, truong huong
thieu xanh » chieu xanh, thien anh, thien danh
truong cua » truong ca, truong quan, truong cao
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » trung tuan, trung cap, dung cua
luong tai » dung tai, luong va
tai doan » thai doan, tap doan, thi doan
doan cau » toan cau, doan dau, doan 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 ((thieu xanh) OR (hieu manh)) - thanh ((trung cua) or (truong cua)) truong luong tai doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh ((trung cua) OR (truong cua)) truong luong tai doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh ((trung cua) or (truong cua)) truong luong tai doan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh ((trung cua) or (truong cua)) truong luong tai doan cau*.