Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung tuong » tuong tuong, tung truong, tang truong
cong quang » luong quang, thong quang, duong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong lang » cong vang, cong luong, cong ngang
toc hieu » toc thieu, doc hieu, hoc thieu
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: toc hieu manh - thanh tung tuong duong ((cong lang) or (cong quang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - thanh tung tuong duong ((cong lang) OR (cong quang)) toan cau.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - thanh tung tuong duong ((cong lang) or (cong quang)) toan cau*.