Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
manh cua » ban cua
bang cau » hang cau, bang cac, nang cao
ban cau » ban can, van cau, ban dau

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