Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cua » truong quan, truong cao, huong cua
hoc thieu » toc thieu, hoc hien
truong ca » truong cao, truong va, trong ca
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 ((truong cua) or (truong ca)) nhung ((cong tan) OR (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((truong cua) OR (truong ca)) nhung ((cong tan) OR (cong san)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((truong cua) or (truong ca)) nhung ((cong tan) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((truong cua) or (truong ca)) nhung ((cong tan) OR (cong san)) toan tap*.