Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh vat » trinh van, trinh luat, sinh vat
vat thong » va thong, vat trong, mat thong
dong toan » bong toan, cong toan, dang toan
dung toan » dung doanh, dung thang, dung thanh

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 - hanh trinh vat thong thong ((dong toan) OR (dung toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh vat thong thong ((dong toan) OR (dung toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh vat thong thong ((dong toan) OR (dung toan)) cau*.