Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
toan ban » van ban
chu van » cuu van, chu han

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

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