Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
bang cong » dang cong, bang song, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
mang cua » manh cua, dung cua, ban cua
cua bang » chua bang, cua ban, cua dang
dan than » dan chan, ban than, van than

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 - nhanh mang cua bang cong ((dan than) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - nhanh mang cua bang cong ((dan than) OR (tinh toan)) cao*.