Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, nhieu tang
hanh trinh » hanh chinh
dung cong » dung trong
he nhiet » he nhieu, hoc nhiet, va nhiet
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
toan cau » toan cao, toan ban, toan tai
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 - ((hanh trinh) or (canh tranh)) cua dung cong van ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he nhiet nang - ((hanh trinh) OR (canh tranh)) cua dung cong van ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: he nhiet nang - ((hanh trinh) or (canh tranh)) cua dung cong van ((toan cau) or (toan tap))*.