Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
luat thong » luat thuong, suat thong, xuat thong
luan tuong » luan luong, luat thuong, xuan truong
hoc thieu » toc thieu, hoc hien
anh tang » anh bang, anh dang, anh sang
anh nang » ganh nang, anh bang, anh dang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 - ((anh tang) OR (anh nang)) ((luat thong) or (luan tuong)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh tang) OR (anh nang)) ((luat thong) OR (luan tuong)) cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((anh tang) OR (anh nang)) ((luat thong) or (luan tuong)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh tang) OR (anh nang)) ((luat thong) or (luan tuong)) cong tan toan ban*.