Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
than cap » khan cap, thanh lap, thanh cac
tang va » trang va, tang van, thang va

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 va nhung cong dan ((((phan cau) OR (phan dau))) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tang va nhung cong dan ((((phan cau) OR (phan dau))) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tang va nhung cong dan ((((phan cau) OR (phan dau))) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tang va nhung cong dan ((((phan cau) OR (phan dau))) or (than cap))*.