Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, tho chu
hanh tang » hanh trang, anh tang, hanh mang
cheo cua » cho cua, chuoi cua, co cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chua) or (cheo cua)) tinh - hanh tang va nhung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chua) OR (cheo cua)) tinh - hanh tang va nhung cong tan toan ban*.