Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chiet tach » chieu sach
cua phuong » cuu phuong, cuc phuong, luan phuong
chau tinh » cuu tinh, ha tinh, cua tinh
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
cong tap » cuong tap, cong tac, cong tan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chau tinh) or (chiet tach)) - hanh dung cua phuong cong tap ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chau tinh) OR (chiet tach)) - hanh dung cua phuong cong tap ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chau tinh) or (chiet tach)) - hanh dung cua phuong cong tap ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chau tinh) or (chiet tach)) - hanh dung cua phuong cong tap ((toan cau) OR (toan tap))*.