Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
luan chung » luan chinh
lang luan » tang luan, hang luan, bang luan
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu van - nhanh lang luan chung ((cong tan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu van - nhanh lang luan chung ((cong tan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: cho chu van - nhanh lang luan chung ((cong tan) or (cong san)) toan cau*.