Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, than cua

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

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