Perhaps you should try some spelling variations:
nhanh manh » nhanh mang, nhanh thanh, nhanh tinh
thuat bang » thuat ban, thuat mang, thuat nang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
chat ban » nhat ban, chat ran, cua ban
manh cua » doanh cua, ban cua
cong san » cong tac
san chan » san chang, dan chan, san chay
chan ban » can ban, chan nan, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao ((thuat bang) or (chat ban)) - nhanh manh cua thong cong san chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((thuat bang) OR (chat ban)) - nhanh manh cua thong cong san chan ban.
• Adding a wildcard symbol may retrieve word variants: cao ((thuat bang) or (chat ban)) - nhanh manh cua thong cong san chan ban*.