Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tinh thuat » tinh thua, tinh chat, tinh thai
cong van » cong vang, song van, cong tan
cong san » cong tac
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) OR (chieu sach)) - nhanh tinh thuat nhung ((cong van) or (cong san)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sach)) - nhanh tinh thuat nhung ((cong van) OR (cong san)) tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) OR (chieu sach)) - nhanh tinh thuat nhung ((cong van) or (cong san)) tan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) OR (chieu sach)) - nhanh tinh thuat nhung ((cong van) or (cong san)) tan cau*.