Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
quang dung » quang trung, ung dung, cuong dung
hoc thieu » toc thieu, hoc hien
quan dong » quang dong, quan long, quan hoang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 trinh ((quan dong) or (quang dung)) cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((quan dong) OR (quang dung)) cong van toan cao*.