Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
duong van » luong va, dang van, trong van
cua dung » cua dang, cua dong, qua dung
duong va » dung va, luong va, dong va
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: toc thieu xanh - hanh tranh cua dung ((duong van) or (duong va)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh tranh cua dung ((duong van) OR (duong va)) toan cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh cua dung ((duong van) or (duong va)) toan cao*.