Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
luong toan » luong thanh, truong toan, luong tai
hoc thieu » toc thieu, hoc hien
trinh vat » trinh van, trinh luat, sinh vat
nhung don » nhung van, nhung bo
bang cong » dang cong, bang song, hang cong
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 - hanh trinh vat ((((nhung don) or (bang cong))) or (thong cong)) luong toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh vat ((((nhung don) OR (bang cong))) OR (thong cong)) luong toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh vat ((((nhung don) or (bang cong))) or (thong cong)) luong toan ban*.