Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
phan tong » phan trong, phan cong, han tong
chi sang » chi lang, chieu sang, chi chang
cua phan » cua nhan, cua phap, cua han
tong van » trong van, thong van, tang van
tuan ban » tuan bang, luan ban, quang ban
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - canh tranh cua phan tong van ((tuan ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - canh tranh cua phan tong van ((tuan ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi sang - canh tranh cua phan tong van ((tuan ban) or (toan ban))*.