Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, thien anh, thien danh
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
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: hoc ((thieu xanh) OR (hieu manh)) - thanh trung cua nhung cong ngang toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh trung cua nhung cong ngang toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh trung cua nhung cong ngang toan cau*.