Perhaps you should try some spelling variations:
thang qua » thang cua, thang mua, thanh qua
thong qua » thong quan, thong cua, thong tu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
thao bo » tao bo, theo bo, thac bao
bo manh » ho manh, bo canh, bui manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thao bo manh - cang ((thang qua) or (thong qua)) trong cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thao bo manh - cang ((thang qua) OR (thong qua)) trong cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: thao bo manh - cang ((thang qua) or (thong qua)) trong cong van toan cau*.