Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
quan hang » quan hoang, quan lang, quan hanh
luan hoan » luan van
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 ((quan hang) or (luan hoan)) cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh ((quan hang) OR (luan hoan)) cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh ((quan hang) or (luan hoan)) cong van toan ban*.