Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song
cong tac » cong ty
tuan cau » tuan cu, thuan cam, toan cao
quan cau » quang cao, quan ha, quan cua
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - canh manh qua dung cong tac ((((tuan cau) OR (quan cau))) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh manh qua dung cong tac ((((tuan cau) OR (quan cau))) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh manh qua dung cong tac ((((tuan cau) OR (quan cau))) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh manh qua dung cong tac ((((tuan cau) OR (quan cau))) or (toan cau))*.