Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, thien nang
nhieu tang » chieu sang, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: he ((nhiet nang) or (nhieu tang)) - hanh tranh ((cua thong) OR (cua khong)) cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he ((nhiet nang) OR (nhieu tang)) - hanh tranh ((cua thong) OR (cua khong)) cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "he ((nhiet nang) or (nhieu tang)) - hanh tranh ((cua thong) OR (cua khong)) cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: he ((nhiet nang) or (nhieu tang)) - hanh tranh ((cua thong) OR (cua khong)) cong tan toan tap*.