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
cua thong » cua thuong, cua khong, cua tong
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
phan cau » phan dau, phan cac, phan tu

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 thong ((cong van) OR (song van)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua thong ((cong van) OR (song van)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua thong ((cong van) OR (song van)) phan cau*.