Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac
tang va » tang van, thang va, tang vat

You may be able to get more results by adjusting your search query.

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