Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
sinh cua » manh cua, dinh cuu, sinh va
cong van » cong vang, cong san, song van
tuan ca » tan ca, thuan cam, toan cao
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 chiet tach - hanh ((tinh chat) or (sinh cua)) nhung cong van ((tuan ca) or (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh ((tinh chat) OR (sinh cua)) nhung cong van ((tuan ca) OR (tuan cu)).
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh ((tinh chat) or (sinh cua)) nhung cong van ((tuan ca) or (tuan cu))*.