Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
thanh va » thanh van, hanh va, thanh ha
trang va » tran van, hang va
phan dau » phan tu, hang dau

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 - canh ((thanh va) or (trang va)) hang cong vang phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - canh ((thanh va) OR (trang va)) hang cong vang phan dau*.