Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
nhung cong » dung cong, thong cong, hang cong
gian nhung » gian vung, gioi nhung
hieu sang » chieu sang, hieu lang, hieu quang
toan tuan » tran tuan, toan quan, doan tuan
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sang - thanh toan tuan ((nhung cong) or (dang cong)) gian nhung bai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sang - thanh toan tuan ((nhung cong) OR (dang cong)) gian nhung bai.
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - thanh toan tuan ((nhung cong) or (dang cong)) gian nhung bai*.