Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan lap, toan cau
phan dau » hang dau
va hang » van hang, va nang, va lang

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 - canh tranh va hang cong dan ((phan cau) or (((phan dau) OR (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh va hang cong dan ((phan cau) OR (((phan dau) OR (phan tu))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh va hang cong dan ((phan cau) or (((phan dau) OR (phan tu))))*".