Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
duoc lieu » du lieu
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, tuan cu
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: duoc lieu tinh - ((thanh tung) or (thanh cong)) cua nhung cong van ((tuan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: duoc lieu tinh - ((thanh tung) OR (thanh cong)) cua nhung cong van ((tuan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: duoc lieu tinh - ((thanh tung) or (thanh cong)) cua nhung cong van ((tuan cau) or (toan tap))*.