Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chieu xanh, chuc danh
tang cua » mang cua, hang cua, tang luan
toan tap » toan ban
chu van » cuu van, chu han

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu xanh) OR (chu van))) OR (chua xang)) - hanh tang cua nhung cong tinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: theo ((((chu xanh) or (chu van))) or (chua xang)) - hanh tang cua nhung cong tinh toan tap*.