Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
khung luan » chung luan, dung luan, hang luan
hoc thieu » toc thieu, hoc hien
khung cua » chung cua, chung cu, dung cua
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong 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 - thanh ((khung cua) OR (khung luan)) nong ((cong manh) or (cong danh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((khung cua) OR (khung luan)) nong ((cong manh) OR (cong danh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((khung cua) OR (khung luan)) nong ((cong manh) or (cong danh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((khung cua) OR (khung luan)) nong ((cong manh) or (cong danh)) toan cao*.