Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
nang cong » nang song, bang cong, hang cong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
toan cau » toan cao, toan ban, toan tap
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - hanh dung luan ((nang cong) or (dang cong)) anh ((tuan cu) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - hanh dung luan ((nang cong) OR (dang cong)) anh ((tuan cu) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - hanh dung luan ((nang cong) or (dang cong)) anh ((tuan cu) or (toan cau))*.