Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
cua phuong » cuu phuong, cuc phuong, luan phuong
lieu tinh » trieu tinh, diep tinh, bien tinh
doi lieu » duoc lieu, doi chieu, du lieu
anh sang » lanh sang, anh bang, anh dang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - ((anh sang) or (anh huong)) cua phuong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - ((anh sang) OR (anh huong)) cua phuong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - ((anh sang) or (anh huong)) cua phuong cong tac than cau*.