Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cua truong » xuan truong, cac truong, xa truong
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
cua trung » xuan trung, cua nhung, ba trung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran tap » toan tap, tran tan, tran tuan

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 - lanh manh ((cua trung) OR (cua truong)) ((cong tan) or (cong tac)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - lanh manh ((cua trung) OR (cua truong)) ((cong tan) OR (cong tac)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - lanh manh ((cua trung) OR (cua truong)) ((cong tan) or (cong tac)) tran tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - lanh manh ((cua trung) OR (cua truong)) ((cong tan) or (cong tac)) tran tap*.