Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung cong » truong cong, trong cong, trung uong
thanh phan » thanh pho, thanh toan, thanh hai
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
than phan » toan phan, thanh pham, thanh nhan

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 trung cong ((than phan) or (((thanh phan) OR (thanh san)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua trung cong ((than phan) OR (((thanh phan) OR (thanh san)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua trung cong ((than phan) or (((thanh phan) OR (thanh san)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua trung cong ((than phan) or (((thanh phan) OR (thanh san)))) cau*.