Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
nhan cong » nhanh cong, phan cong, nhap cong
cua nhan » ca nhan, cua ngan, cua nha
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 nhan cong ((dan than) or (van than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua nhan cong ((dan than) OR (van than)) cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua nhan cong ((dan than) or (van than)) cap*.