Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
xanh hang » xanh hanh, tranh hang, danh thang
dung cong » dung trong
cong tac » cong ty
than cau » toan cau, phan cau, than cap
toan ban » van ban
va dung » van dung, va duong, vat dung

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 - xanh hang va dung cong tac ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - xanh hang va dung cong tac ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - xanh hang va dung cong tac ((than cau) or (toan ban))*.