Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tung tuan » trung tuan, hung tuan, quang tuan
dung cong » dung trong
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cao » toan cao, tao cao, tay cao

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 - thanh ((tung tuan) or (quan luan)) dung cong van tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung tuan) OR (quan luan)) dung cong van tan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung tuan) or (quan luan)) dung cong van tan cao*.