Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or ((chuc or chua) nang)) - hanh dung cua thong cong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR ((chuc OR chua) nang)) - hanh dung cua thong cong van tan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or ((chuc or chua) nang)) - hanh dung cua thong cong van tan cau*.