Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong tan, truong thanh
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
toan cau » toan ban, toan tap, toan tai
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 - canh tranh cua hang ((cong thanh) or (cong trinh)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua hang ((cong thanh) OR (cong trinh)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua hang ((cong thanh) or (cong trinh)) ((toan cau) or (toan cao))*.