Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tac » cong ty
tren tau » tren thuc, tren may, tren thi
tren dat » tren dia, tren may
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - hanh tang va nhung cong tac ((tren tau) OR (tren dat))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh tang va nhung cong tac ((tren tau) OR (tren dat))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh tang va nhung cong tac ((tren tau) OR (tren dat))*.