Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu xanh » chieu xanh, hieu manh, thien anh
thuong dai » thuong mai, truong dai, thuong dam
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
toan cao » toan ban
toan tap » toan ban

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 - thanh thuong dai ((nhung cong) OR (dung cong)) dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh thuong dai ((nhung cong) OR (dung cong)) dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh thuong dai ((nhung cong) OR (dung cong)) dan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh thuong dai ((nhung cong) OR (dung cong)) dan ((toan cao) or (toan tap))*.