Perhaps you should try some spelling variations:
trinh phan » trinh han, trinh quan, thanh phan
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh nang, anh sang
anh dang » anh dung, anh bang, anh danh
anh dong » anh huong, anh son
cua dung » cua dang, cua dong, qua dung
phan cac » nhan cach, phan dau, phan lap

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 - ((anh tang) or (((anh dang) or (anh dong)))) cua dung cong trinh phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((anh tang) OR (((anh dang) OR (anh dong)))) cua dung cong trinh phan cac.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((anh tang) or (((anh dang) or (anh dong)))) cua dung cong trinh phan cac*.