Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thieu xanh » chieu xanh, thien anh, thien danh
vang quang » dang quang, vung quang, hang quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
van quang » van quan, tran quang, van tuan
tuong va » truong va, thuong va, luong va
va hang » van hang, va nang, va lang

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 tuong va hang cong ((vang quang) OR (van quang)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tuong va hang cong ((vang quang) OR (van quang)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh tuong va hang cong ((vang quang) OR (van quang)) cao*".