Perhaps you should try some spelling variations:
khang cong » hang cong, thanh cong, dang cong
hoang van » hang va
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tang van » dang van, trong van, tang luan
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: theo chu xanh - hanh ((tang van) OR (hoang van)) khang cong tan thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh ((tang van) OR (hoang van)) khang cong tan thanh cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((tang van) OR (hoang van)) khang cong tan thanh cau*.