Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
phuong cau » huong cau, phuong cham, phuong cach
hoc thieu » toc thieu, hoc hien
trung dai » truong dai, truong dao, trung tam
tung dap » tung dan, tuong dan, tuong dao
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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