Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, thang cua, trong cua
trung cua » truong cua, trung tuan, trung cap
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 - hanh ((((trang cua) or (trung cua))) or (tang cua)) nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((((trang cua) OR (trung cua))) OR (tang cua)) nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((((trang cua) or (trung cua))) or (tang cua)) nhung cong tac toan cau*.