Perhaps you should try some spelling variations:
thanh trung » thanh tung
tuong thong » thong thong, tong thong, tuong tuong
theo chieu » theo tieu, ho chieu, theo chu
trung hieu » thuong hieu, trung kien, trong hiep
hieu tuong » hieu truong, bieu tuong, dieu tuong
hoc thieu » toc thieu, hoc hien
thong ban » thong van, trong ban, thong bai
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (hoc thieu)) xanh - thanh trung hieu tuong thong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - thanh trung hieu tuong thong ban than cau*.