Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
cuong tap » luong tap, cong tac, luong tai
trinh va » trinh van, trinh vat, trinh ve
cong tap » cong tac, cong tan, tong tap
doan cap » doanh cao, dan ca, toan cao
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((nhieu tang) or (hieu lang)) - hanh trinh va tong ((cong tap) or (cuong tap)) doan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((nhieu tang) OR (hieu lang)) - hanh trinh va tong ((cong tap) OR (cuong tap)) doan cap.
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (hieu lang)) - hanh trinh va tong ((cong tap) or (cuong tap)) doan cap*.