Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
nhung cau » chung cu, nhung bai, nhu cau
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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 cua nhung ((((cong ban) or (huong dan))) or (cong tan)) nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cua nhung ((((cong ban) OR (huong dan))) OR (cong tan)) nhung cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cua nhung ((((cong ban) or (huong dan))) or (cong tan)) nhung cau*.