Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tu nhung » tu chung, cua nhung, thi nhung
tan toan » tan tran, tap toan, van toan
tung tu » tuong tu, dung tu, hung tu

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 - thanh tung tu nhung cong ((tan toan) or (anh tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh tung tu nhung cong ((tan toan) OR (anh tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh tung tu nhung cong ((tan toan) or (anh tuan)) cao*.