Perhaps you should try some spelling variations:
nang dung » dang dung, nang dong, rang dung
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cua dong » chua dong, cua cong, cua dang
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (ho chieu)) xanh - nang dung cua dong cong ((van toan) OR (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (ho chieu)) xanh - nang dung cua dong cong ((van toan) OR (van tuan)) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) or (ho chieu)) xanh - nang dung cua dong cong ((van toan) OR (van tuan)) ban*".