Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
dung thanh » duong thanh, dong thanh, dang thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
truong va » truong dai, truong cao, truong dao
cong dung » cuong dung, cong dong, cong luong
thanh hai » thanh phan, thanh hoa, thanh san
trung va » trang va, trung tam, trung cap
trung ha » trung hoc, trung tam, trung cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh ((((trung va) OR (truong va))) or (trung ha)) nhung cong dung thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((((trung va) OR (truong va))) OR (trung ha)) nhung cong dung thanh hai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((((trung va) OR (truong va))) or (trung ha)) nhung cong dung thanh hai".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((((trung va) OR (truong va))) or (trung ha)) nhung cong dung thanh hai*.