Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
duong manh » duong van
dong thanh » truong thanh
hoc thieu » toc thieu, hoc hien
cong manh » cong danh, cong thanh, hoang manh
tranh va » tranh van, trang va, trinh va
toan cao » toan ban, toan tap
va nang » van nang, da nang, cam nang

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 va nang ((((cong manh) OR (duong manh))) or (dong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh va nang ((((cong manh) OR (duong manh))) OR (dong thanh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh va nang ((((cong manh) OR (duong manh))) or (dong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh va nang ((((cong manh) OR (duong manh))) or (dong thanh)) toan cao*.