Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung dap » trung cap, trung dam, trung lap
trung dai » truong dai, truong dao, trung tam
dung cong » dung trong
toan tap » toan ban

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 - thanh ((trung dap) OR (trung dai)) dung cong thanh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung dap) OR (trung dai)) dung cong thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung dap) OR (trung dai)) dung cong thanh toan tap*.