Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, hanh mang, hanh tung
tong cong » trong cong, cong cong, dung cong
anh tang » anh bang, anh dang, anh nang
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang 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 - ((hanh tang) or (anh tang)) cua tong cong san ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tang) OR (anh tang)) cua tong cong san ((phan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tang) or (anh tang)) cua tong cong san ((phan cau) or (phan dau))*.