Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
quan nhung » qua nhung, cua nhung, quang hung
luan chung » luan chinh
hoc thieu » toc thieu, hoc hien
cong van » cong vang, cong san, song van
toan cau » toan cao, toan tap, toan tai
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 nhung) or (luan chung)) cong van ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh ((quan nhung) OR (luan chung)) cong van ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh ((quan nhung) or (luan chung)) cong van ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh ((quan nhung) or (luan chung)) cong van ((toan cau) OR (toan ban))*.